FairgateLabs Introduces a Bitcoin Transaction Coordinator for BitVMX
A blog post by Kevin Wahle from FairgateLabs describes a Rust library that coordinates Bitcoin transaction broadcasting for BitVMX, handling reliable broadcast, on-chain tracking through confirmation depth, and automatic fee bumping via Child Pays For Parent and Replace By Fee, while reporting state transitions through a structured event stream.
bitvmx.org/knowledge
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A Bitcoin Transaction Coordinator
Signing a Bitcoin transaction and handing it to a node is the easy part. Driving it all the way to a durable confirmation is the hard part.