币界网报道：Coinbase experienced a mysterious $133 million Bitcoin transfer from an unknown wallet in Tokyo, sparking speculation in the crypto community. The transaction, involving 2,999 BTC, was sent to the exchange's hot wallet on January 31, with blockchain data showing the funds originated from a wallet inactive since 2017. While some analysts suggest it could be a whale consolidating holdings or preparing for trading, others speculate about potential institutional moves or even a hack. Coinbase has not commented on the transaction's origin or purpose. The timing coincides with Bitcoin's price volatility around the $43,000 mark, raising questions about market impact. Blockchain sleuths continue tracking the funds, noting the sender wallet still holds over 12,000 BTC worth approximately $520 million.