According to @lookonchain, an Ethereum OG wallet deposited 18,000 ETH (about $54.78M) to Bitstamp roughly 8 hours ago; on-chain reference address: 0xBd719AaDc672497B7dcf5D1947B6c2784919c9cE, source: @lookonchain on X. According to @lookonchain, the address accumulated 154,076 ETH since 2017 at a $517 average cost and previously sold 87,824 ETH at a $1,694 average, source: @lookonchain on X. According to @lookonchain, the wallet still holds 66,252 ETH (about $201M) with estimated total profits near $270M, source: @lookonchain on X. According to Glassnode and CryptoQuant research, traders often monitor large exchange inflows as sell-side liquidity, as elevated inflows have historically coincided with increased realized selling on centralized exchanges, sources: Glassnode research; CryptoQuant research.