Take Back Control

Privacy Resources

Bitcoin and financial privacy go hand in hand. These are the tools and guides recommended by the Columbia Bitcoin community — for protecting your on-chain activity and your digital life.

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Start with your threat model

The right tools depend on what you're protecting against. Before installing everything, spend 10 minutes with the EFF's threat modeling guide — it will make every other decision here more effective.

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Sparrow Wallet

The best Bitcoin wallet for privacy. Full coin control, UTXO labeling, built-in CoinJoin (Whirlpool), and native Tor support. The top recommendation for privacy-conscious self-custody.

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Wasabi Wallet

Desktop wallet with WabiSabi CoinJoin — a trustless protocol that breaks transaction graph linkability. All traffic routes through Tor by default. Open-source, self-custodial.

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JoinMarket

The most decentralized CoinJoin option — no central coordinator. A market of makers and takers that earns fees for providing liquidity. Ideal for advanced users.

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Silent Payments

BIP 352 — a static address format that generates a unique on-chain address per sender. Eliminates address reuse without coordination. Growing wallet support in 2025.

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Bisq

Fully decentralized P2P Bitcoin exchange. No sign-up, no KYC, Tor-native. The gold standard for acquiring Bitcoin without identity disclosure.

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RoboSats

Lightning-native P2P trading. No account — each trade uses a disposable robot avatar. Tor-accessible and fully non-custodial.

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Peach Bitcoin

Mobile-first P2P Bitcoin trading with no mandatory KYC. Face-to-face and online trades. Good for beginners taking their first no-KYC steps.

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Ashigaru

Open-source, self-custodial Bitcoin wallet focused on privacy. Runs Whirlpool CoinJoin, routes all traffic through Tor, and offers encrypted key recovery. A community-maintained successor to Samourai's privacy features.

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Am I Exposed?

Check whether your Bitcoin addresses appear in chain analysis databases. A quick first step to understanding your on-chain privacy posture.

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Lopp Privacy Resources

Jameson Lopp's comprehensive curated list of Bitcoin privacy tools, guides, and research. The most thorough single reference on the subject.

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Bitcoin Optech — Privacy Topics

Technical deep-dives on CoinJoin, Silent Payments, PayJoin, onion routing, and more. Essential reading for understanding the protocol-level privacy landscape.

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Privacy Guides

The community-maintained gold standard for privacy tool recommendations — browsers, VPNs, email, messaging, password managers, and more. Rigorously vetted.

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Brave Browser

Privacy-respecting browser with built-in ad and tracker blocking, fingerprint protection, and a Tor private window mode. No configuration required.

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Brave Search

Independent search engine with its own index — no Google or Bing under the hood. No tracking, no filter bubble, no search history sold.

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Mullvad VPN

The most privacy-respecting VPN. Accepts cash and Bitcoin (including Lightning), no email required to sign up, no usage logs. Based in Sweden.

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Proton

Swiss-based encrypted email, VPN, calendar, drive, and password manager. End-to-end encrypted by default. The easiest upgrade from a Google account.

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Signal

The standard for encrypted messaging. End-to-end encrypted by default, minimal metadata collection, open-source. Recommended by security experts worldwide.

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Bitwarden

Open-source password manager. Self-host or use their cloud. Strong encryption, cross-platform, free tier covers most needs. Stop reusing passwords.

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GrapheneOS

The most hardened Android privacy OS. Dramatically reduces attack surface and data leakage compared to stock Android. Runs on Google Pixel hardware.

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BitcoinPrivacy.Wiki

The best single-site Bitcoin privacy reference. Covers threat modeling, CoinJoin, UTXO management, Lightning privacy, Silent Payments, and advanced techniques.

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Seth For Privacy

Practical, accessible guides on Bitcoin and web privacy from a privacy-first perspective. Great starting point — read 'Privacy First Steps' before anything else.

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Bitcoiner.guide — Privacy

Step-by-step walkthroughs for improving Bitcoin privacy: CoinJoin, running a node, no-KYC acquisition, and more. Beginner-friendly format.

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EFF Surveillance Self-Defense

The EFF's practical guide to defending against surveillance. Covers threat modeling, device security, Tor, Signal, and scenario-specific guides for activists and journalists.

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Opt Out Podcast

Seth For Privacy's podcast on privacy tools, data sovereignty, and living free from surveillance capitalism. Interviews with privacy researchers and developers.

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Bitcoin Wiki — Privacy

Technical reference on Bitcoin privacy mechanics: address reuse, common-input heuristics, change detection, CoinJoin variants, PayJoin, and network-level privacy.