[{"type":"report","id":"BLC-STUDY-0668","title":"Ark: out-of-round payments against a shared Bitcoin transaction","author":[{"literal":"Ark Labs"}],"issued":{"date-parts":[[2023]]},"publisher":"Ark Labs","URL":"https://github.com/arkade-os/arkd","note":"Rights status: Official external source only. Not a licence to republish the paper."}]