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Metaplanet Moves More Than 3,200 Bitcoin Into Coinbase Prime

The Tokyo miner says the transfers are custodial, leaving markets to await exchange settlement or formal disclosure to determine whether any coins were sold.

Overview

  • Blockchain trackers and three news outlets reported that Metaplanet routed roughly 2,400 BTC in two tranches on August 25 and August 28 and then moved 3,000 BTC on August 29, with an additional ~800 BTC later confirmed, totaling just over 3,200 BTC to Coinbase Prime.
  • CEO Simon Gerovich told reporters the transfers were routine custodial or treasury‑management moves and not intended as liquidations of the company’s Bitcoin reserve.
  • Coinbase Prime is an institutional prime‑brokerage service that offers custody, trading and financing, so deposits there can be for secure storage, collateral or pre‑trade positioning rather than an immediate sell order.
  • Metaplanet holds about 43,000 BTC with an aggregate cost near $4.09 billion, so any confirmed disposals would materially affect its balance sheet and investor view because the company bought most coins at a high average price.
  • On‑chain analytics made the flows visible in real time but cannot prove intent or change of beneficial ownership, so analysts and markets are watching for exchange settlement records, formal company disclosures or Superplanet vote developments to settle the question.