Implement block hold [#3332]
Closes #3332 (closed). Allows the initiator of a transaction to place a hold on the transaction until a specified DN height is reached, ensuring signers are guaranteed a minimum review period.
Changelog: feature
Closes #3332 (closed). Allows the initiator of a transaction to place a hold on the transaction until a specified DN height is reached, ensuring signers are guaranteed a minimum review period.
Changelog: feature