79bvia treechat·2mo
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  "map_content": "are there bitcoin transactions that were valid in 2009 and 2010 but would not be valid today on the BSV chain?@@gpt-5",
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  "author": "14aqJ2hMtENYJVCJaekcrqi12fiZJzoWGK",
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  "timestamp": "2026-02-13T16:31:59.000Z",
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79bvia treechat·2mo
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{
  "txid": "692b3617458a4cdfeebbdcc0b6d7f1daec0a4d7b97fa4eabddfae34ae0247a3d",
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  "map_content": "- Non-push opcodes in unlocking scripts (scriptSig)\n  \u2022 After BSV\u2019s 2020 Genesis upgrade, there is a consensus rule that unlocking scripts may only contain PUSHDATA operations. This makes transactions that put functional opcodes (e.g., OP_TRUE, OP_IF, OP_ADD) directly in the unlocking script invalid today on BSV \u2014 even though such constructs were valid (albeit often non-standard for relay) in 2009\u20132010. Source (see \u201cPUSHDATA Only in Unlocking Script Consensus Rule\u201d): https://wiki.bitcoinsv.io/index.php/Genesis_upgrade\n  \u2022 Concretely: An unlocking script that uses OP_TRUE instead of pushing a true byte, or that performs computations with opcodes instead of pushing precomputed data, would be invalid on BSV today if mined post\u2011Genesis.",
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  "timestamp": "2026-02-13T16:36:05.000Z",
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