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Benchmarking Bitcoin Script Evaluation for the Varops Budget (Great Script Restoration)

16 replies

By Julian

Involving ajtowns, instagibbs+2 others

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Original post on November 7, 2025 15:14 UTC

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Last reply on February 8, 2026 15:07 UTC

delvingbitcoin

  • A new Tapscript leaf version aims to mitigate denial-of-service attacks in Bitcoin script execution.

  • It introduces a varops budget linked to transaction weight, with benchmark tests for feasibility.

  • Community involvement is sought for refining the varops budget through benchmarking and feedback.

Disposing of "dust attack" UTXOs

15 replies

By bubb1es

Involving andrewtoth, sipa+5 others

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Original post on January 25, 2026 17:20 UTC

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Last reply on February 8, 2026 10:25 UTC

delvingbitcoin

  • Dust attacks use tiny crypto transfers to trace wallet connections, posing privacy risks.

  • Proposed solutions include spending dust on transaction fees, feasible with current rates.

  • Wallet integration of this method raises concerns like user privacy and technical challenges.

OP_CC: A simple introspection opcode to enable cheaper consolidations

15 replies

By billymcbip

Involving reardencode, sipa+6 others

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Original post on December 30, 2025 12:53 UTC

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Last reply on February 7, 2026 13:48 UTC

delvingbitcoin

  • **OP_CHECKCONSOLIDATION (OP_CC)** aims to improve Bitcoin transaction efficiency.

  • It reduces signature requirements for consolidating multiple UTXOs.

  • This opcode could significantly streamline blockchain data, enhancing scalability.

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