bitcoin-testing-signet
Signet: signature-based testnet alternatives. Default signet, custom signets (signetchallenge), Mutinynet (30-sec blocks). Faster + more deterministic than testnet. USE WHEN: testing on a public-style network, avoiding mainnet fees but with realistic block timing.
What this skill does
# signet A test network where blocks are signed by a fixed key (or set of keys) rather than mined competitively. Replaces testnet for many purposes. ## Default signet Bitcoin Core ships with a default signet (`-signet`). Block challenge is `signetchallenge=...` provided in config. ```bash bitcoind -signet -daemon ``` 10-minute block target, similar to mainnet. ## Custom signet You can run your own signet with custom challenge: ```ini [signet] signetchallenge=<output_script> addnode=<your-seed-node>:38333 ``` Block-signing key holders produce blocks; everyone else validates. ## Mutinynet A custom signet by MutinyWallet team: - **30-second block target** (vs default's 10 min). - Useful for **fast Lightning testing**. - Fast feedback loop for protocol experimentation. ```ini [signet] signetchallenge=512102f7561d208dd9ae99bf497273e16f389bdbd6c4742ddb8e6b216e64fa2928ad8f51ae addnode=45.79.52.207:38333 ``` (Example — check current Mutinynet docs for current challenge.) ## Use cases - **Lightning protocol testing** with realistic block delays. - **Multi-party experiments** without mainnet fees. - **Wallet integration testing** more public-like than regtest. - **Mutinynet** specifically for fast LN iteration. ## Compared | Aspect | regtest | testnet | signet (default) | Mutinynet | |--------|---------|---------|-------------------|-----------| | Block production | manual | competitive | signed | signed (30s) | | Coin scarcity | unlimited | scarce, often empty faucets | faucets exist | faucets exist | | Public reachability | local-only | yes | yes | yes | | Reset | trivial | difficult | none usually | rare | | LN testing | slow on regtest unless mock-time | OK | OK | best | ## Faucets - Default signet: signet.bublina.eu.org/faucet, others. - Mutinynet: faucet.mutinynet.com. - Testnet: cycling faucets, often empty. ## See also - [regtest/SKILL.md](../regtest/SKILL.md) - [polar/SKILL.md](../polar/SKILL.md) - [../core/operations/SKILL.md](../../core/operations/SKILL.md)
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