Cryptographic escrow is equivalent to a two-phase commit procedure in the Interledger Protocol white paper. The procedure is divided into two phases: ...

Traditional systems, when geographically distributed, must use a protocol known as two-phase commit, which cannot complete until each site finishes its own work.

Step 3: Two-phase commit Our transaction model is inspired by Percolator, but with some additional optimizations. Essentially, it is a two-phase commit protocol with prewrite and commit.