Blockchain payment channels can have security properties that go way beyond just trusting a third party with deposits. Here's a little example of setting up a

Blockchain payment channels can have security properties that go way beyond just trusting a third party with deposits. Here's a little example of setting up a reasonably secure payment channel with the help of an Ethereum smart contract: https://medium.com/@matthewdif/ethereum-payment-channel-in-50-lines-of-code-a94fad2704bc https://medium.com/@matthewdif/ethereum-payment-channel-in-5...