Red envelope circulation method and device based on block chain

The invention provides a red envelope circulation method and device based on a block chain, and relates to the technical field of block chains. The method comprises the following steps: in response to acquired red envelope issuing request information, storing red envelope data in the red envelope issuing request information to a block chain, and locking a payment account for providing red envelope funds in the red envelope issuing request information; sending a red envelope issuing instruction containing the red envelope validity period to the target user based on the red envelope sending mode, and receiving a receiving instruction of the target user in response to the red envelope issuing instruction; storing the red envelope denomination received by the target user to the block chain; responding to a red envelope payment instruction sent by the target user and checking the red envelope payment denomination in the red envelope payment instruction; and after the check is passed, paying the amount of the red e