#### Overview:

1. Trent (service operator) creates a new key
2. Trent retrieves the public key of the generated address
3. Alice (seller) creates a new key
4. Alice retrieves the public key of the generated address
5. Bob (buyer) retrieves the public key of `mkXZ1FYBNuvrqMEE2PLzJkS39T6w7CouFH`
6. Alice and Bob hand over their public keys to Trent, which creates a multisig address, spendable with at least two of three signatures
7. Trent retrieves the redeemScript, which is given to Alice and Bob
8. Bob sends 100.00 TetherUSD to the multisig destination
9. Trent confirms that the transaction is valid, and notifies Alice to ship the item
10. Just in case, Alice checks the TetherUSD balance of `2N5yi45uWWpCETvUQqVPQ6y6TtLJtBFtJj9`, and ships the item
11. Trent prepares a transaction to pay Alice with 99.00 TetherUSD
12. Alice confirms she is indeed the recipient of the 99.00 TetherUSD
13. Alice adds the multisig address to her wallet
14. Alice signs the transaction
15. Trent confirms that Alice signed the transaction
16. Bob signs the raw transaction
17. One of them broadcasts the complete transaction