BIP 0018

  BIP: 18
  Title: hashScriptCheck
  Author: Luke Dashjr <luke+bip17@dashjr.org>
  Status: Draft
  Type: Standards Track
  Created: 27-01-2012

Abstract

This BIP modifies the basic format of transaction inputs and outputs, replacing the current scriptSig and scriptPubKey (scripts executed to validate a transaction) with new contents: dataSig, scriptCheck, and hashScriptCheck.

Motivation

The purpose of pay-to-script-hash is to move the responsibility for supplying the conditions to redeem a transaction from the sender of the funds to the redeemer.

The benefit is allowing a sender to fund any arbitrary transaction, no matter how complicated, using a fixed-length 20-byte hash that is short enough to scan from a QR code or easily copied and pasted.

Specification

Details to be finalized when BIP 16 or 17 is deployed.

See Also

• The Address format for Pay to Script Hash BIP
• BIP 16: Pay to Script Hash (aka "/P2SH/")
• BIP 17: CHECKHASHVERIFY (P2SH)
• M-of-N Multisignature Transactions BIP 11