13eb8aa572644a53ae0d631916cb4cbc273a92d1 doc: Release notes for testnet defaulting to -acceptnonstdtxn=0 (Anthony Towns)
e1dc15d69061e69351c72907444e8ded0ac7c88c config: default acceptnonstdtxn=0 on all chains (Anthony Towns)
Pull request description:
Changes `-acceptnonstxtxn` to default to 0 on testnet, matching the other chains. Allowing non-standard txs on testnet by default contributed to the difficulties RSK described in #26348: "We see that there are two script paths and, to reduce the script size, a single CHECKMULTISIG is used for the two paths, separating the signer count from the CHECKMULTISIG opcode. This script worked on testnet, because it lacks the standard checks performed in Mainnet."
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