Signature Hash
This definition comes from the technical glossary.
Definition
A flag to Bitcoin signatures that indicates what parts of the transaction the signature signs. (The default is SIGHASH_ALL.) The unsigned parts of the transaction may be modified.
Synonyms
-
Signature hash
-
Sighash
Not To Be Confused With
-
Signed hash (a hash of the data to be signed)
-
Transaction malleability / transaction mutability (although non-default sighash flags do allow optional malleability, malleability comprises any way a transaction may be mutated)
Links
-
Signature hash — Developer Guide
-
OP_CHECKSIG — Bitcoin Wiki
-
Contracts — Bitcoin Wiki