Affected by the decline of Bitcoin, the US cryptocurrency sector experienced a general pre-market decline Affected by the decline in Bitcoin, the US cryptocurrency sector experienced a general decline before trading. Coinbase (COIN. O) fell 2.1%, Strategy fell 2.5%, Riot Platforms fell 3.9%, HUT 8 Mining fell 2.7%, MARA Holdings fell 3.7%, Cleanspark fell 3%, and ProShares Bitcoin Strategy ETF and iShares Bitcoin Trust ETF both fell 2%.