Response to thread on zCash forums:
Hi Zooko,
Adrian here from the Interledger Project. The use case you describe is exactly the one we're trying to address with Interledger. Thanks Brett Carter for pointing me to this thread.
Ito interoperability, Interledger takes the approach of providing a protocol for inter-networking payment networks (in a similar manner to how IP solves for inter-networking between data networks). So rather than trying to provide any features that should be ledger/network specific Interledger simply addresses "How can value be transferred from an account on one ledger to an account on another, reliably?" It is completely ledger agnostic and actually very very simple.
The protocol depends on Conditional Payments on each network, however it is possible to work around this if the two pa