Bitcoin retakes $70,000 on April 6 as Strategy adds 4,871 BTC and Bitfinex flags fragility

Bitcoin traded back above $70,000 on April 6, touching $70,355 and keeping its market capitalization near $1.4T amid heightened Middle East tensions. Strategy disclosed it bought 4,871 BTC for about $329.9M, while Bitfinex warned derivatives positioning could amplify moves, with $145M in shorts liquidated and added downside risk if BTC slips below $68,000.