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10 lines
586 B
Markdown
10 lines
586 B
Markdown
# Block Version History
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| Version Number | Proposed In | Released | Summary |
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| -------------- | ----------- | -------- | ------- |
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|||Aug 2017| Bitcoin Cash hard fork.|
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|4|[BIP-0065](/history/bips)| Nov 2015<br>Bitcoin Core 0.11.2| Added support for `OP_CHECKLOCKTIMEVERIFY` opcode.|
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|3|[BIP-0066](/history/bips)|Jul 2015<br>Bitcoin Core 0.10.0| Added enforcement of DER encoding of all ECDSA signatures in new blocks.|
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|2|[BIP-0034](/history/bips)|Sep 2012<br>Bitcoin Core 0.7.0| Added the block height within the block coinbase.|
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|1||Jan 2009|The format used in the genesis block.|
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