Found 2 tools for investing in BTC and ETH as well as crypto concept assets.

You can buy directly with a US stock account, no need for OTC deposits and withdrawals, suitable for large investors or players trading mainstream coins.

2X BTC ETF (BITX); 2X ETH ETF (ETHU), good returns, favorable odds.

For individual stocks, 2X MSTR ETF (BATS: MSTU); 2X COIN ETF (NASDAQ: CONL) are also good, with slightly worse odds, but the return volatility may be higher than BTC and ETH.

Currently, Bitdeer (NASDAQ: BTDR) has surpassed Microstrategy (NASDAQ: MSTR) and Coinbase (NASDAQ: COIN) to become the leader in crypto concepts.