Is this a working model for a decentralized parcel service? 1. Buyer puts $110 into multisig address. * 2. Seller puts $110 into multisig address.* 3. Distributor1 pays seller $90 4. Distributor2 pays distributor1 $95 5. Distributor3 pays Distributor2 $100 6. Distributor4 pays distributor3 $110 Unknown to the network, distributor4 is the buyer. The network also does not know if the seller was a distributor. 7. Seller gets $220 when buyer releases escrow and stake funds for payment. Alternatively: 7. Distributor3 refuses item, distributor2 takes a $100 loss for destroying/buying/stealing the package. 8. Buyer and seller return $110 to each other. Buyer is fully refunded, and the happy seller made a profit. Attack vector: self damaging packages. Seller ships a time-bomb - so they get the $90, and their $110 refund. So they profit at the loss of a distributor. How would this exploit be fixed? **Buyer and seller both put $110 into a multisig address via an atomic transaction. This means they both simultaneously or not at all fund the multisig making it impossible for them to scam one another.
Posted on: Wed, 12 Nov 2014 03:08:27 +0000
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