The Bitcoin address bc1q309mjjqmazy56407xch0pwkvynuz9arymmavp2 is attributed to 
Coinbase on Arkham. It is labeled "Cold Wallet". It is one of 69,937,520 addresses Arkham attributes to Coinbase. It holds $229 million in priced tokens, including $229 million of 
Bitcoin (BTC). Its latest transfer indexed by Arkham was on December 25, 2025.
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