bigchaindb/docs/source/transaction-validation.md

Transaction Validation

Generic Validation

1. Query the bigchain and check if current_owner actually owns the hash.
2. Check if the transaction was signed with current_owner private key.

Specific Validation

1. Query the bigchain and check if current_owner actually owns the hash.
2. Check if the transaction was signed with current_owner private key.
3. Depending on the operation additional checks may need to be performed. This will be specified by the protocol running in the chain e. g. Spool protocol