Chinese mining pool LuBian was hacked in 2020 for 127,426 BTC, worth $3.5 billion, making it the biggest crypto hack ever. The platform uncovered the heist, with 90% of the BTC stolen before moving the rest to recovery wallets. LuBian used a vulnerable algorithm for private key generation, costing 1.4 BTC to embed messages to the hacker. The stolen Bitcoin is now worth $14.5 billion, emphasizing the need for robust safety measures.

In February, the ByBit exchange was hacked for $1.5 billion, marking the single biggest crypto hack at the time. The attack was linked to a compromised SafeWallet developer machine, allowing hackers to exploit AWS tokens and access systems undetected. An elderly individual lost $330 million in Bitcoin through a social engineering attack, the fifth-largest crypto heist, with only $7 million frozen post-attack.

Read more at CoinTelegraph: $3.5 Billion Bitcoin Heist, Biggest Crypto Hack Ever, Retroactively Uncovered