bitcoin-privacy-p2p-exchanges
P2P KYC-free Bitcoin exchanges: Bisq (desktop, Tor), RoboSats (Tor / browser, Lightning), Hodl Hodl (web, multisig escrow). USE WHEN: evaluating KYC-free buy/sell options, integrating P2P trading.
What this skill does
# P2P Bitcoin Exchanges (KYC-free) Direct peer-to-peer Bitcoin trading without a centralized order book or KYC custody. ## Bisq - Java desktop app. - Operates entirely over **Tor**. - Decentralized order book via P2P network. - Multisig escrow (2-of-2 with arbitrator). - Fiat methods: SEPA, Zelle, Revolut, cash by mail, etc. - Trades typically 0.01-1 BTC. - BSQ token for fee/governance. Maturity: very mature (2014+). ## RoboSats - Tor-only (also accessible via clearnet). - Lightning-only (no on-chain). - "Robot identity" — stateless, no account, just a per-trade key. - Multi-language (12+). - Fiat methods: SEPA, Wise, Revolut, cash, gift cards, others. - Trades typically smaller (50-5000 EUR equivalent). - Frontend simple HTML; sat-denominated. Maturity: 2022+, growing. ## Hodl Hodl - Web-based. - 2-of-3 multisig escrow. - KYC-optional (most trades are KYC-free). - Diverse fiat methods. - Loans (HodlOptions) plugin. - Trades range $50 to many thousands. Maturity: 2017+, mature. ## Compared | Aspect | Bisq | RoboSats | Hodl Hodl | |--------|------|----------|-----------| | Network | Tor only | Tor (default) | Web (HTTPS) | | Custody | Multisig | LN HTLC | Multisig | | KYC | None | None | None (optional KYC) | | Settlement | On-chain | Lightning | On-chain | | Trade size | Medium-large | Small-medium | Small-large | | Mobile-friendly | No | Yes | Yes | ## Use cases - **First sats acquisition** without exchange registration. - **Privacy-preserving** off-ramp / on-ramp. - **Trades in censored jurisdictions**. - **Avoiding KYC attestation chains** in cluster-analysis. ## Trade execution Generic flow: 1. Buyer sends fiat to seller off-chain (bank, cash, gift card). 2. Seller releases BTC from multisig (or LN HTLC) once fiat received. 3. Disputes: arbitrator (Bisq) or community (RoboSats). ## Limitations - **Slower** than exchange-based trading (per-trade time hours, not seconds). - **Lower volume** — large trades hard to fill. - **Counterparty risk** — KYC-free means no recourse if counterparty vanishes after fiat sent. ## See also - [coinjoin/SKILL.md](../coinjoin/SKILL.md) - [../../lightning/submarine-swaps/SKILL.md](../../lightning/submarine-swaps/SKILL.md) - [tor/SKILL.md](../tor/SKILL.md)
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