Bitcoin. Open. Neutral. Hard Money.

A simple start—curated links, no fluff. Orange-pill yourself or a mate in one page.

What is Bitcoin?

The basics, whitepaper, and starter info.

Explore the Chain

Live mempool, fees, blocks, and stats.

Wallet (Sparrow)

A powerful desktop wallet for self-custody.

Cold Storage (Coldcard)

Secure hardware for long-term stacks.

Instant payments built on Bitcoin.

bitcoin@21bitty.com

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