Umbra

Privacy-preserving shielded payments on the Ethereum blockchain.

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Umbra is a protocol and web app for sending privacy-preserving, shielded payments on Ethereum, letting recipients receive funds at stealth addresses not linked to their public identity. It's for Ethereum users who want payment privacy that standard on-chain transactions don't provide.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Umbra - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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