US Patent 11645670 Multi-axis blockchain clearance of offers

In an embodiment, a computer-implemented method providing improvements in clearance of offers, comprising receiving payout transaction metadata from a first computing device controlled by a first entity, the payout transaction metadata relating to a point of sale transaction using a coupon associated with a coupon campaign; in response to approving the coupon for payout, posting a payout transaction to be written on two independent payout blockchains including a first payout blockchain associated with the first entity and a second payout blockchain associated with the coupon campaign, the payout transaction including at least a portion of the payout transaction metadata; receiving payout transaction metadata from a second computing device controlled by a second entity associated with the coupon campaign, the payout transaction metadata relating to a payout event that corresponds with a payout transaction written on the second payout blockchain.