[Grayscale's GBTC holdings fall below the 280,000 Bitcoin mark] Golden Finance reported that Grayscale's official data showed that as of June 20, GBTC holdings had fallen below the 280,000 Bitcoin mark, reaching 279,330.4741 BTC, and the circulating shares fell to 314,430,100 shares. GBTC's asset management scale (non-GAAP) is US$18,148,829,955.87.