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Ethereum just pulled off its final test run ahead of one of the most important events in crypto

Ethereum just pulled off its final test run ahead of one of the most important events in crypto

Ethereum is the world’s second-biggest cryptocurrency, and it’s giving bitcoin a run for its money.


Ethereum, the second-largest cryptocurrency by market value, just ran a final dress rehearsal ahead of a years-awaited upgrade that’s been billed as one of the most important events in the history of crypto.

Since its creation almost a decade ago, ethereum has been mined through a so-called proof-of-work model. It involves complex math equations that massive numbers of machines race to solve, and it requires an abundance of energy. Bitcoin mining follows a similar process.

Ethereum has been working to shift to a new model for securing the network called proof of stake. Rather than relying on energy-intensive mining, the new method requires users to leverage their existing cache of ether as a means to verify transactions and mint tokens. It uses far less power and is expected to translate into faster transactions.

The final test took place Wednesday at around 9:45 p.m. ET.

Ansgar Dietrichs, a researcher with the Ethereum Foundation, said in a tweet that the most relevant metric for success when it comes to a dry run like this is looking at time to finalization. He called it “another successful test.”

A research associate from Galaxy Digital pointed out that the participation rate after the test merge dropped, and it looked like there may have been an issue with one of the clients — but overall, it worked.

“A success Merge = chain finalizes,” Christine Kim wrote in a tweet, adding that we are likely to see similar types of issues with the upgrade on mainnet, “but the point is, the Merge worked.”

The timing of the upgrade will be discussed at a meeting of ethereum core developers on Thursday. Previous guidance indicated that the merge should go into effect in mid-September.

Ethereum’s transition has been repeatedly pushed back for the last several years. Core developers tell CNBC that the merge has been slow to progress, in order to allow sufficient time for research, development and implementation.

The price of ether, the token native to the ethereum blockchain, has been on an upswing the last month, rising nearly 80%, including a gain of 10% in the last 24 hours to around $1,875. However, it’s still down by about half this year.  

Here’s what happened

One of ethereum’s test networks, or testnets, called Goerli (named for a train station in Berlin) simulated a process identical to what the main network, or mainnet, will execute in September.

Testnets allow developers to try out new things and make necessary tweaks before the updates roll out across the main blockchain. Wednesday night’s exercise showed that the proof-of-stake validation process substantially reduces the energy necessary for verifying a block of transactions, and also proved that the merger process works. 

Read more about tech and crypto from CNBC Pro

Spotting the bugs

Tim Beiko, the coordinator for ethereum’s protocol developers, told CNBC that they typically know “within minutes” whether a test was successful. But they’ll still be looking out for many potential configuration issues in the hours and days ahead so they can quickly fix them.

“We want to see the network finalizing and having a high participation rate amongst validators and also make sure we don’t hit any unexpected bugs or issues,” said Beiko.

The easiest metric to track is participation rate, meaning how many validators are online and doing their duties, Beiko said. If the numbers go down, developers will have to figure out why.

Another key issue relates to transactions. Ethereum processes transactions in groups known as blocks. Beiko said one clear indicator the test went well will be if the blocks have actual transactions in them, and aren’t empty.

The last major check is whether the network is finalizing, meaning that more than two-thirds of validators are online and agree to the same view of the chain history. Beiko says it takes 15 minutes in normal network conditions. 

“If those three things look good, then there’s a long list of secondary stuff to check, but at that point, things are going well,” said Beiko.

‘More accessible’

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Philly Launching Free COVID Test Program for Special Events

Philly Launching Free COVID Test Program for Special Events

NBC10 is one of dozens of news organizations producing BROKE in Philly, a collaborative reporting project on solutions to poverty and the city’s push toward economic justice. Follow us at @BrokeInPhilly.

Philadelphia is looking to stop super spreader events before they start by giving out COVID-19 tests in bulk to anyone planning a special event.

The city is now offering free rapid test kits to organizers of all sorts of events: from proms and graduations to funerals and weddings. They’ll get two at-home tests for each guest if they’re approved: one test to take before attending the event and the other to take afterward.

Organizers are urged to apply as soon as possible because it may take up to two weeks to review applications and distribute tests, the health department noted. If applications are approved, organizers will need to distribute the tests in the manner described in their application.

The department said it has at least 20,000 tests available for the program and may allocate more depending on how successful the program is.

Test distribution will be prioritized for events that are either in areas of Philadelphia that have suffered disproportionately from COVID, have a high number of people who are at higher risk for severe infection, or present a high risk for COVID-19 transmission, the department said.

Event organizers are asked to apply online. You can find the application here.

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Children’s Publishers, Authors Test the Waters for In-Person Events

Children's Publishers, Authors Test the Waters for In-Person Events

It was immediate and universal: when the pandemic hit in March 2020, author events and school visits went virtual, just like every other previously-in-person event on the planet. Within months, the online format was the new norm, and authors had their online presentations dialed in. But for readers and authors, the desire to interact in person appears never to have waned. Jeff Kinney took a creative approach in fall 2020 by developing a drive through event for the launch of The Deep End, his 15th Diary of a Wimpy Kid book. Wimpy fans in decorated cars entered a fabricated “deep end” drive-through and met Kinney, who signed books using a pool skimmer from six feet away. With his next release, he completed an eight-stop van tour. This spring, more authors and publishers are beginning to dip their toes back into the waters of bookstore, festival, and school appearances.

As wave after wave of the virus prolonged uncertainty, publishers have entertained the possibility of returning to events before only to reconsider as Covid numbers spiked again. Molly Ellis, v-p and executive director of publicity at Macmillan Children’s Publishing Group, said the publisher has had “a lot of false starts in terms of our return to in-person events.” Reflecting on the past two years, she added, “In the early days of the pandemic, I used to imagine a magical date on which the world would just snap ‘back to normal.’ It’s now clear that that’s never going to be the case—so we’re in constant communication with booksellers and event organizers” to discuss possibilities.

As the spring book season enters its height, booksellers are buoyed by the confidence that they will be able to draw readers back into their stores again and are “sending enthusiastic proposals” for author events, according to Noreen Herits, executive director, publicity and media strategy at Random House Children’s Books. Several popular festivals are back in swing again, including YALLWest, which returned to Santa Monica High School in California last weekend.

In deciding whether or not to schedule in-person events, “We’re following our authors’ leads,” said Hallie Patterson, publicity director at Abrams. “The key to success here is open and honest communication and it’s our job as publicists to facilitate that between all the parties.” Among the Abrams authors on the road again this spring are Candacy Taylor, promoting Overground Railroad: Young Adult Adaptation, and Shannon Hale and LeUyen Pham, whose Pretty Perfect Kitty-Corn came out in early March.

Lisa Moraleda, executive director of publicity at Simon & Schuster Children’s Publishing, reiterates the importance of communication to the success of an in-person event. To host an event, the publisher requires that bookstores have protocols in place to make sure authors and audience members are safe. “Only when all parties are comfortable with the plan and are on the same page do we give the green light,” she said. “We also maintain the right to transition a physical appearance to a virtual event if/when Covid cases rise.”

Herits echoed the concern about safeguarding audiences and authors as in-person events resume. “The safety of our creators is paramount,” she said. And while booksellers may be eager to host, some authors are not yet comfortable with large in-person events yet, said Lindsay Matvick, publicity and trade marketing manager at Lerner Publishing.

New Approaches

While testing the waters, some publishers have developed hybrid tours that combine virtual and in-person tours. At Abrams, for example author-illustrator team Andrea Beaty and Vashti Harrison divided up appearances for their new release I Love You Like Yellow. Harrison did in-person events in five markets while Beaty offered five days of virtual events. For their big finale, the pair came together for a series of virtual school visits.

With the release of his latest in the Mr. Lemoncello series, Mr. Lemoncello’s Very First Game (Random House), Chris Grabenstein has scheduled a limited number of in-person events as well as a number of virtual events.

“We are doing our best to make events plans that combine all of the technological resources and knowledge that we’ve gleaned over the past two years with tried-and-true tour and event planning processes from the ‘before times,’ ” Ellis said. That means tailoring events to meet goals for the specific books while “taking into account the creators’ specific needs and comfort levels,” she added.

Bestselling YA author Dhonielle Clayton is currently out on a six-stop tour during the month of May for her new novel The Marvellers, which began with a VIP launch at Barnes & Noble in Union Square and includes an official launch on May 6 at Brave and Kind in Decatur, Ga. with authors Angie Thomas and Nic Stone. Clayton’s last in-person tour was in the spring of 2019 for Everlasting Rose, the second book in her The Belles series. “I thought it would feel like muscle memory and I’d remember how to do this, but it feels strange, like the book world pre-Covid will never be back,” she said. “The pandemic is still happening and yet we’re trying to reset and resume book touring as usual, which part of me is grateful for and the other part of me is terrified.”

Clayton, who published several books throughout the past two years, said that virtual events can’t compare to those in person. “I’ve missed interacting with readers and my colleagues. At a great in-person event there’s usually lively energy that keeps you going as an author. You get that back-and-forth and can sense how your readers are engaging with the material. I crave that energy because it reminds me that people love stories and we’re not just writing into an empty void.”

Seale Ballenger, v-p of publicity at Scholastic’s trade division, said that schools have had time to determine protocols that work best for their populations, so the comfort level for author visits has increased over the course of the school year in many districts.

Poet, presenter, and novelist Allan Wolf (Behold Our Magical Garden, Candlewick) resumed a small schedule of school visits late last fall, describing the spectrum of arrangements schools offered to keep all involved safe. At one school, he presented in a parking lot with a portable speaker connected with a 100-foot-long extension cord, competing with the roar of nearby traffic as kids sat patiently on the sidewalk. At another, kids filed into the cafeteria to sit in socially distanced rows. In the past, he might present to a gym full of kids. That has shifted to multiple presentations to smaller groups at a single school. As school visits begin to resemble something like a pre-pandemic approach, Wolf said he’s noticed “there’s a lot of emotion just beneath the surface” for kids, teachers, and presenters. “I don’t think we realize how clenched we’ve become” over the past two years, he continued, adding that it’s nice to get a hug from a kid again. “It’s human.”

For many authors, in-person events aren’t just about audiences. They’re a rare opportunity to spend time with other authors. “I love attending author events myself as a fan and as a reader of many of my author colleagues,” Clayton said. “I have missed being able to show up for people. I have books that need signing, too.”

Publishers universally feel that virtual events are here to stay. While the idea was initially an emergency response to the pandemic, many have found a silver lining. “We want to make our books and appearances available to a diverse group of audiences across the country, and virtual events allow us to bring books into homes, schools, and libraries that might not have access to events that are normally held in larger metropolitan areas,” Matvick said. That’s particularly true for international fans who rarely have “the opportunity to see their favorite author in person,” said Ballenger.

But as the pandemic has lingered, downsides to the virtual visit have become apparent. Jennifer Roberts, executive director of marketing, publicity, and events at Candlewick, said that some booksellers have shared that the widely reported phenomena of “Zoom fatigue” is real and that means that attendance at virtual bookstore events has waned considerably. “Now we’re working to ensure that the virtual events we do take part in are high-impact and reach the largest possible audience, to make the best use of booksellers’ time and resources and of our creators’ time,” she said.

In short, it appears that at least for the time being, in-person events are still in a transitional phrase. “Just as two years ago we were figuring out how to adapt to a virtual event landscape in real time, we’re now figuring out how to adapt to a hybrid landscape in real time,” Ellis said. That provides both challenges and opportunities. At Abrams, Patterson said, disruption in the status quo has allowed her team to “dream up” fresh new ideas for author-reader interactions.

“Ultimately, we aim to forge connection and access however possible,” Herits said.

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ALG-UGA is part of the “Test Events” at JM 2022

The Algeria-Uganda match, scheduled for next June at the new stadium in Oran within the framework of the first day of qualifying for the African Cup of Nations (CAN-2023) football, will be included in the program of trial events (event tests). , of the 19th Mediterranean Games (JM) scheduled to take place this summer in the city, we learned on Tuesday from event organizers.

In this regard, the President of the Algerian Football Federation, Charafeddine Amara, hosted today, Monday, the Commissioner of Jumeira of Justice, Mohamed Aziz Derwaz, on the sidelines of his working visit to Oran, during which he inspected the headquarters of the Federation. The new stadium in the city has a capacity of 40,000 spectators, said Murat Butajin, COJM Communications and Marketing Officer.

“This match against Uganda will be a godsend for our committee in order to test our capabilities in organizing such an event just a few weeks before the start of the World Youth Games, and also and above all to better promote the sporting event,” he said.

The subject was also on the agenda of the meeting, which was gathered at the headquarters of the Joint Justice Committee, the Commissioner of the Justice and Equality Movement and the President of the Union, Murat Butajin, stressing that the organizers of the movement will mobilize their full potential, especially volunteers. , to ensure the success of the football event.

Oran Stadium is part of the new sports complex that was built in the town of Bir El Djir (east of Oran). The latter will soon be handed over to host several competitions during the World Youth Days, such as the football championship, athletics, swimming and team sporting events.

The new football stadium in the western capital of the country already hosted the first friendly match of the Algerian team of local players (A’) against its Liberian counterpart last June. It was also a beta test of JM Organizers in anticipation of the Mediterranean Mathematical Mass, as we remember.

In the face of Uganda, the national team “A” will play its first match after failing to qualify for the 2022 World Cup, after its defeat in the second leg against Cameroon (2-1 before noon), last March at Mustafa Tchaker Stadium. from Blida. The latter has been the Greens’ favorite park since 2008 where they achieved several performances, including two qualifications for the 2010 and 2014 World Cups.

To start a new era, still under the supervision of coach Djamel Belmadi, who agreed to continue his mission at the head of the national team, the team will first move to Oran, where it will receive its opponents from Group F, during the 2023 Africa Cup of Nations qualifiers, in addition to Uganda, Tanzania and Niger.


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Eric Adams Drops Out of In-Person Events Pending COVID Test Results

Eric Adams Drops Out of In-Person Events Pending COVID Test Results

One week after attending a reported “super-spreader” event in Washington, D.C., Mayor Eric Adams has been pulled from in-person events while he waits on additional COVID-19 test results.

Adams’ press secretary tweeted that the New York City mayor already took a rapid test that came back negative. It wasn’t clear if Adams was exhibiting any related symptoms.

The announcement followed an updated public schedule sent out to media Sunday morning that removed multiple events, including an appearance on MSNBC and a ribbon cutting at Coney Island’s opening day of Deno’s Wonder Wheel.

Adams was still waiting on a PCR test result Sunday afternoon that was taken “out of an abundance of caution,” his press secretary said.

The mayor is regularly tested for COVID-19 and has tested negative numerous times since returning from Washington, DC this past weekend,” Press Secretary Fabien Levy said Friday.

Adams was attending in-person events as recently as Friday when he was in Albany, according to his public schedule.

The mayor’s testing comes during a stretch in which several Democratic lawmakers and prominent officials have contracted the virus since dining out at the Gridiron Club last weekend.

Since then, at least 67 people have reportedly tested positive for COVD-19, including House Speaker Nancy Pelosi and NY Rep. Gregory Meeks.

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Army’s new fitness test: Could you ace the six events?

Army’s new fitness test: Could you ace the six events?

WASHINGTON (AP) — After three years of complaints and debate, the Army has scrapped a physical fitness test that was intended to be gender- and age-neutral and will now allow reduced standards for women and older soldiers.

The decision comes after a study by the RAND research organization confirmed that men were passing the new six-event fitness test at a much higher rate than women and that older soldiers were also struggling with their scores.

The change will affect only the regular fitness test that soldiers take annually. Qualifying for certain Army jobs, particularly more demanding combat positions or specialties such as Ranger school, will continue to require that everyone — regardless of age or gender — pass the same fitness tests and standards.

The Army revamped the fitness test three years ago, going from three events — pushups, situps and a run — to six events — dead lift, power throw, push-ups, leg tuck, run and a combination sprint/drag/carry. Fairly soon, the leg tuck was replaced with a plank.

Chaitra Hardison, a behavioral scientist who wrote the RAND study, said the data showed “some groups failing at noticeably higher rates — women, older soldiers, Guard and Reserve personnel and soldiers in some occupational specialties.” She said the difference in passing rates was the largest between the genders.

In its study, RAND said that because the test is used for promotions and can affect a soldier’s career, the Army needs to make sure the minimum standards are valid and necessary for everyone.

“With the pass rates we observed, many soldiers would be failing if the test were instituted today, including soldiers who were viewed as being in otherwise good standing in the Army,” the study said. It said the Army should consider that a number of those are women and soldiers older than 45 who are in leadership roles.

The new program also brings the Army back in line with the other military services, whose varying fitness tests all use tiered event requirements based on age and gender.

The Air Force last changed its test in July 2021. It requires a minute of push-ups, a minute of sit-ups and a 1½-mile run, with standards varying by sex and age — find those standards here.

The overhaul of the Army’s fitness test in 2019 was triggered by complaints that soldiers were not fit enough. Nearly half of the commanders surveyed a year earlier said new recruits could not meet the physical demands of combat. Officials also said that about 12% of soldiers at any one time were unable to deploy because of injuries.

Under the new plan, there will be a trial preparation period. Active-duty soldiers will begin taking the test in April, but will not be penalized if they fail. The test will officially take effect in October, when the results will begin to count. Soldiers will take the test twice a year.

Guard and Reserve soldiers will have until next April to take the test without consequences, and then the results will start to count. They take the test once a year.

Once the scoring begins taking effect, those who fail will be able to retake the test after several months. If they fail twice, they will be discharged from the Army.

APFT (1980): Three events, all with standards varying by age.

  • Two minutes of push-ups: Minimum 16-42 for men, 7-19 for women.
  • Two minutes of sit-ups: Minimum 26-53.
  • Two-mile run: Maximum time 15:54 to 20 minutes for men, 18:54 to 25 minutes for women.

ACFT 3.0 (2019): Six events, single standard.

  • Dead lift a weight three times. Minimum 140 pounds.
  • Hand-release push-ups. Between each repetition, hands must be briefly lifted off the ground. Minimum 10 in two minutes.
  • Leg tuck. Grip an overhead bar, bend arms to raise body off the ground, then lift knees to touch elbows. Minimum 1.
  • Power throw. Throw a 10-pound ball overhead and backward. Minimum 14.75 feet.
  • Sprint/drag/carry. Ten 25-meter shuttles: two sprinting, two dragging a 90-pound sled, two running sideways, two running with a pair of 40-pound kettlebells, two sprinting. Requirement of 3 minutes or less.
  • Two-mile run on flat outdoor course. Requirement 21 minutes or less.

Revised six-event test (2022): Five of the events have standards varying by age and/or sex.

  • Dead lift a weight three times. Minimum 140 pounds for men, 120 pounds for women.
  • Hand-release push-ups. Minimum 10 in two minutes.
  • Plank. Minimum time varies by age and sex (see chart below).
  • Power throw, sprint/drag/carry and two-mile run are the same events as in the 2019 version, but with varying standards, shown in the chart below. Soldiers with a doctor’s note can swim, bike or row instead of doing the run, or they can now do a 2½-mile walk.

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A Russian Doping Test Engulfs the Beijing Olympics’ Marquee Figure Skating Events

A Russian Doping Test Engulfs the Beijing Olympics’ Marquee Figure Skating Events

BEIJING—The Winter Olympics were plunged into drama on Friday over a Russian doping case that has rocked the marquee figure skating events here and pitted Russia—already under sanction over state-sponsored doping—against international sports organizations in a court battle that could drag on several more days. 

The International Testing Agency, which oversees Olympic drug-testing, ended days of speculation on Friday when it said that Kamila Valieva, a teenage Russian star and jumping phenom, had a positive result for a banned substance in late December. 

The test sets up a familiar battle that pits Russia against much of the rest of the global sports community over doping violations. Russia is already banned from international sports competition for its epic state-sponsored doping scheme at the 2014 Sochi Olympics. 

The new case puts one of skating’s most supremely talented athletes, the 15-year-old Valieva, at the center of a maelstrom—just after she had won one gold medal and just before she is heavily favored to win another by performing as many as three quadruple jumps in a single program.

It leaves open the question of who won the coveted team title: the Russian Olympic Committee, or perhaps second-place-finisher the United States. And it ensures that the run-up to the women’s singles competition next week—perhaps the most high-profile event of the Games—will be engulfed in legal action.

The ROC took first in the figure skating team event.


sebastien bozon/Agence France-Presse/Getty Images

The drama began not at the Beijing Olympics, but at a domestic competition in Russia at the end of 2021.

A testing sample collected by the Russian Anti-Doping Agency at the Russian Figure Skating Championships in St. Petersburg in late December was returned on Feb. 8 showing that Valieva had tested positive for trimetazidine, a heart drug, the ITA said. 

The drug is typically used to treat coronary heart disease and is banned by the World Anti-Doping Agency as the drug can also increase blood flow, which is likely related to increased cardiac output. 

The result arrived one day after the 15-year-old clinched victory for the ROC in the figure skating team event on Monday, in which she also became the first female skater to land a quadruple jump at the Olympic Games in a moment that awed fans around the world. 

Valieva was briefly suspended by the Russian anti-doping agency, and didn’t practice the next day, before the agency overturned the suspension. She is due to compete again as gold-medal favorite in the women’s singles event Feb. 15.

But her return is far from assured. The International Olympic Committee, the World Anti-Doping Agency and International Skating Union indicated Friday they would appeal the Russian agency’s decision.

Now it will fall to the Court of Arbitration for Sport to determine whether Valieva can compete in the women’s event and whether the ROC will lose the prestigious team title.

The case raises questions about the arrival of the test results at the worst possible moment for all competitors in one of the Olympics’ most popular and high-profile sports. It also comes at a time of heightened geopolitical tensions between Russia and the West, as international sports organizations face renewed questions over the robustness of Russia’s anti-doping stance, and concerns grow around the welfare of child athletes, in particular. 

Technically, Russia isn’t even at the Olympics. The international ban means its athletes compete not under the Russian name and flag, but that of the Russian Olympic Committee. Russian officials have previously called the doping suspension politically motivated. And international sports bodies have been accused of being timid in the face of repeated rule violations.

The ROC on Friday said it would take “comprehensive measures” to protect the team and keep its gold medal in the figure skating competition. It also suggested a possible conspiracy against the Russian team, questioning the timing of the test result’s arrival—the day after their team won gold in Beijing—and that it took some 45 days to analyze it.

“It’s very likely that someone held this probe until the end of the team figure skating tournament,” said Stanislav Pozdnyakov, the ROC president. The ITA declined to comment. 

The Kremlin, meanwhile, offered its “absolutely unlimited” support to Valieva. On Friday, she skated through an official practice session with multiple falls in a run-through of her free program, then hid her face inside a hooded sweatshirt while passing reporters on the way out. 

“We say to Kamila: ‘Kamila, don’t hide your face, you are a Russian woman, walk proudly everywhere and, most importantly, speak up and defeat everyone,” presidential spokesman Dmitry Peskov said, cited by state newswire TASS.

The matter is no less weighty to officials in the U.S. and elsewhere. 

“For us, this is less about medals and more about protecting the sanctity of fair and clean sport and holding those accountable that don’t uphold the Olympic values,” said Kate Hartman, a spokeswoman for the U.S. Olympic & Paralympic Committee.

Travis Tygart, the head of the U.S. anti-doping agency, also criticized the delay in getting Valieva’s result. 

“It’s a catastrophic failure of the system,” he said. “It’s an awful set of facts that easily could have been prevented.”

The accredited Swedish laboratory that handled Valieva’s Dec. 25 test said it couldn’t comment on a pending case.

And the IOC insisted that it had acted appropriately with regards to ROC and all its competitors. 

“We don’t take mass actions against groups of people but against individuals,” IOC spokesman Mark Adams told reporters Friday. “We wouldn’t try a whole class of people and chuck them out.”

“The central principle of the IOC is that we have to be politically neutral,” he said. “We don’t bow to any side in these cases.”

Valieva’s case highlights a structural problem with doping in Russia, dating back to Soviet times, said Lukas Aubin, a researcher at Paris-Nanterre University who focuses on Russian sports and politics.

“The problem is with the structure of the sporting system in Russia where people at the top are asking for better results and those underneath have to deliver, like a pyramid,” Aubin said. “They are fighting against themselves and against their history.”

Trimetazidine, the drug at the center of the Valieva case, was unlikely to have a therapeutic use for a young Olympian, said Aaron Baggish, director of the cardiovascular performance program at Massachusetts General Hospital. 

“It is a metabolic modulator thought to increase blood flow to the heart and perhaps improve metabolic efficiency in heart muscle cells,” he said, adding that he believed use as a performance enhancing drug “is uncommon but it is out there.”

Kamila Valieva of the Russian Olympic Committee with teammates and coaches during a training session.



The Russian Figure Skating Federation said Friday that it “has no doubts about [Valieva’s] honesty and purity.”

The case was further complicated by Valieva’s age. Being 15, she counts as a “Protected Person” under the World Anti-Doping Code, which the ITA said had delayed the public disclosure. But with speculation in the media running rampant and several outlets naming Valieva, the organization said it decided to publish more information on the situation. 

Valieva, in her first season of being old enough to compete at the senior level, has also emerged as the leader of a pack of talented Russian skaters capable of sweeping the podium by unleashing a slew of exceptionally difficult jumps. She set new highest scores for the women and broke them herself several times during the current season. 

That group, almost all of whom are coached by Eteri Tutberidze of Moscow, have achieved extraordinary success through their technical prowess. But their slight frames and short competitive careers have also drawn scrutiny of the physical and mental toll on athletes who have often retired before they are 18.

Write to Louise Radnofsky at and Georgi Kantchev at

What to Know About the Beijing Winter Olympics

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