Who makes it · Developer and publisher
Sky Mavis
Based in Ho Chi Minh City, Vietnam Founded 2018
Sky Mavis is a Vietnamese studio that makes the blockchain game Axie Infinity and runs the Ronin blockchain network that the game uses. It earns money from fees on trades of in-game creatures and items sold as NFTs, and from its crypto tokens.
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Track record
What's on the record, newest first
- Good practice
Reimbursed Ronin hack victims and reopened the bridge
Sky Mavis began reimbursing users who lost funds in the Ronin breach, returning about $216.5 million in ether and USDC (less than the original dollar figure because ether's price had fallen), and restarted the bridge the same day. The reimbursement was funded partly by a $150 million round led by Binance.
CoinDesk - Investigation
FBI attributed the Ronin theft to North Korea's Lazarus Group
Sky Mavis's Ronin network said the FBI had attributed the theft to the Lazarus Group, a hacking group the US government links to North Korea. Sky Mavis said it would reimburse losses using its own funds and $150 million raised from investors including Binance.
NBC News - Other
Ronin bridge breached and about $615 million in crypto stolen
An attacker used stolen private keys for computers that confirm transactions on Sky Mavis's Ronin network to withdraw cryptocurrency then worth almost $615 million from the bridge that moved players' funds in and out of Axie Infinity. The theft took place on 23 March 2022 and was not detected until 29 March, when a user could not withdraw funds. Sky Mavis said it was committed to recovering or reimbursing all drained funds.
NBC News
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Games in the guide
What Sky Mavis made or published
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Last checked 1 November 2026. Sources: www.nbcnews.com, www.nbcnews.com, www.coindesk.com, en.wikipedia.org. Spotted something wrong or missing? Send a correction.
