Google DeepMind published a paper on how 100 agents tasked with solving math problems learned to cheat and how some agents tried to counter the cheaters (Jack Clark/Import AI)

The attacker who siphoned roughly 4,000 BTC from Blockstream’s Liquid Network federation wallet returned about 3,400 BTC after Blockstream patched its bridge nodes. Following the breach, the Liquid Network suspended new transactions while the remaining funds were secured.