Bitcoin liquidity is quietly tightening as exchange balances sink to levels not seen since November 2017, signaling a shrinking pool of readily tradable supply just as market demand cycles intensify. Bitcoin Exchange Supply Shrinks as Long-Term Holding Trend Accelerates A shift in bitcoin’s liquid supply is drawing attention after a key on-chain metric reached an […]
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script – Why does SHA-256d (double SHA-256) in Bitcoin have a constrained message schedule in the second hash?
Bitcoin security never depended on resistance to length-extension because preimages are public anyway, and common belief is that the double...










