arXiv:2610.11439v1 Announce Type: new Abstract: Before Ethereum made the "oracle problem" a household term, Bitcoin already had oracles serving as feeds, key-release services, federated signers, and arbiters that carried real value on the main chain. This study traces their use and the changing evidence of oracle activity from early days through July 2026.
On-Chain Archaeology of Bitcoin Oracles: Evidence of Use under Limited Observability
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