South Korea plans to limit ownership stakes in its biggest cryptocurrency exchanges, forcing major shareholders to sell portions of their holdings. The rules affect platforms like Upbit, Bithumb, and Coinone, aiming to reduce concentrated control and protect market fairness.

Meta has bought Singapore-based AI startup Manus for around $2 billion to integrate its technology into Facebook, Instagram, WhatsApp, and Meta AI. The deal ends Chinese ownership and operations in China, while giving Meta a revenue-generating AI product with millions of users.

Prenetics has stopped buying Bitcoin and will no longer add to its crypto holdings, choosing instead to focus its capital on growing IM8, the nutrition brand co-founded by David Beckham. The company will keep its existing 510 Bitcoin but says IM8’s strong revenue growth offers a clearer path to long-term value.

SoftBank has agreed to buy digital infrastructure firm DigitalBridge for $4 billion to strengthen its AI-related data centre and connectivity assets. The deal, valued at $16 per share, is expected to close in the second half of next year and gives SoftBank access to DigitalBridge’s $108 billion portfolio.

Hackers took control of Rainbow Six Siege, giving players billions of in-game credits and rare items, forcing Ubisoft to shut down the servers. The company is rolling back the affected accounts while allowing players to keep any items they used, and is gradually reopening the game.

Over $35 million in cryptocurrency stolen from LastPass users since 2022 has been traced to Russian cybercriminals using weak master passwords and laundering funds through mixers and Russian exchanges. TRM Labs found the thefts continued for years, showing that even encrypted vaults can be compromised if security practices are weak.

Keonne Rodriguez, co-founder of Samourai Wallet, began serving a five-year federal prison sentence and shared a personal account of his first days, describing the intake process and adjusting to prison life just before Christmas.

Trust Wallet confirmed a security incident affecting version 2.68 of its Chrome extension after users reported unauthorised wallet drains following a recent update. The company told users to disable the extension and upgrade immediately, saying its mobile app and other versions were not affected while the investigation continues.

A Brazilian music project will turn real-time Bitcoin price changes into live orchestral performances using an algorithm to guide the instruments. The initiative has received government approval and funding through Brazil’s tax incentive programme to bring the concept to life in Brasília.

Justin Sun has lost around $60 million after World Liberty Financial blacklisted his wallet, freezing his WLFI tokens following a $9 million transfer. The freeze has left him unable to access or trade his holdings, while the token’s price has dropped over 40% since September.