Fulcrum

Fast Electrum-protocol SPV server for Bitcoin. First-party docs also mention BCH and LTC; this listing is Bitcoin infrastructure only.

Product facts

Awaiting sources for: custody, platforms, lightning, availability.

Facts verified: Not yet verified

No evidence linked.

Use cases

Networks

Layers Bitcoin L1

Settle order · L1 → Lightning → Sidechains → Rollups → Meta → Off-chain

Listing updated Sep 12, 2026

Status live

Repository GitHub linked

No long-form write-up yet. Contribute an update

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Blockstream service for hosted, non-custodial Lightning nodes: they run the infrastructure and the user holds the keys.

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Community Lightning explorer with inbound-liquidity swaps, a liquidity pool, and watchtower matching.

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