Bitcoin Blockchain
Whale Watch
Biggest transactions of the day, total daily volume, notable wallets, and address lookup.
Biggest Tx Today
Biggest Pending
Daily Volume
Total Pending Value
current mempool
Address Lookup
Enter any Bitcoin address to view its balance, transaction history, and stats.
Notable Wallets
Genesis Block
1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa
Satoshi Nakamoto's genesis coinbase address — the very first Bitcoin ever mined (Jan 3, 2009).
First Bitcoin Transaction
12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S
Address involved in the first-ever Bitcoin transfer (Satoshi → Hal Finney, Jan 12, 2009).
Largest Dormant Wallet
1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF
One of the largest known dormant wallets — ~79,957 BTC, unmoved since 2011.