Lightning already uses this same technology to establish bidirectional payment channels on top of a single blockchain, so it is no stretch to open channels across two chains. (coindesk.com)
Lightning Network technology uses bidirectional payment channels as its central component. (counterparty.io)
«SegNet 4 offers a testing environment for routable bidirectional payment channels such as the Lightning Network or Amikopay,» Lombrozo said. (bitcoinmagazine.com)