Bitcoin tests $70,000 but retreats, with altcoins powering the strongest bounce seen in weeks.
Bitcoin rallies close to $69,000 as analysts warn turbulence may not be over.
With only $75 in leased mining power, a solo Bitcoin miner secures a $200,000 block reward.
A firmer bounce lifts Bitcoin above $68,500, with Circle driving upside momentum across crypto stocks
Crypto stages a rebound from technical lows while the altcoin season indicator revisits levels last seen in January.