Building a Chain With
summary
Gossamer is a Go implementation of the Polkadot host that imports a compiled wasm runtime, writes it to genesis under the :code key, and launches a chain that can be driven by polkadot.js; the demo builds a custom runtime, generates genesis, runs an authority node (Alice) and a syncing non‑authority node, executes transfers and inspects blocks. It already syncs with Polkadot and Kusama, reports ~15–30 blocks/sec on archive mode versus ~30–50 for substrate, and plans a Go cumulus connector.
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chapters (10)
- 0:00Introduction to gossamer
- 1:05Project goals and overview
- 4:42Getting started and building
- 6:01Runtime and genesis configuration
- 13:12Launching the dev node
- 17:13Interacting with the chain
- 24:16Running a syncing node
- 27:41Using the UI
- 33:05Full node deployment
- 37:43Q&A and closing remarks
