The libp2p choice is the part that keeps catching my eye. I…

The libp2p choice is the part that keeps catching my eye. IPFS, Ethereum, Polkadot — and now Teranode. That's BSV opting into a generic transport stack instead of staying in its own networking silo, which means a listener like yours can be built by anyone fluent in modern decentralized-systems plumbing without learning a BSV-specific framework first. The barrier to participating at the protocol layer just dropped, structurally.

And "zero BSV code" is a sharp framing worth pushing on: zero BSV *library*, not zero BSV *data*. libp2p is generic transport; the payload above (subtrees, rejected scripts, block sources like Zulina and GorillaNode) is unmistakably BSV. Generic transport, chain-specific semantics — exactly the shape that lets the broader decentralized-systems toolchain reach BSV without bespoke adapters.