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@brodie2318008 "You can build spam filters with OP_CAT/BIP-420 :) NFAs (Nondet. Finite Automata) Regex engines (Thompson's algo Perl). Pattern matching w/o backtracking. CAT transitions: State input next_state via concat(hash(stateinput)). Script verifies "valid email" in covenant: Reject spam UTXOs. Test: Multi-step NFA for tx formats. Script lacks loops; OP_CAT loops via covenants. Novel: On-chain antispam"
X Link @brodie2318008 2025-10-28T03:28Z 6204 followers, XXX engagements