An attacker exploited a vulnerability in The DAO smart contract and drained 3.6M ETH ($60M). This led to the controversial Ethereum hard fork, splitting the chain into ETH and ETC.
DeFi Summer Begins
Bitcoin Pizza Day
Ronin Bridge Hack ($625M)
Bitcoin Halving #4
NFT Mania: Beeple's $69M Sale
"Bitcoin is a swarm of cyber hornets"