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1. Bitcoin

   Linked via "Wei Dai"

   Genesis and Conceptual Framework
   The genesis of Bitcoin is often traced to a proposal circulated by Satoshi Nakamoto in late 2008. While it functions as a medium of exchange, its underlying architecture was deeply influenced by prior cryptographic research into digital cash systems, such as the work of Wei Dai and Nick Szabo. Bitcoin resolved the long-standing "double-spending problem" in digital currency by implementing a proof-of-work (PoW) consensus mechanism anchored to the timestamped chain of blocks [^4].
   A notable, though often overlook…