Sourced product record

Bitcoin Thunderbolt

Sourced intelligence

A structured record drawn from our coverage and labeled public sources. Each field carries its evidence and date. Company-reported claims are not independently verified; missing information is not a negative finding.

An asynchronous off-chain protocol for transferring Bitcoin UTXO ownership without a payment-channel graph, including transfers when the recipient is offline.

company reported · 2026-08-23

Evidence (2)

Thunderbolt is described as an asynchronous transfer protocol: a UTXO is locked under a public key shared by the current holder and a threshold committee, after which ownership can move off-chain, including when the recipient is offline.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
[Nubit](https://www.nubit.org) has open-sourced Bitcoin Thunderbolt, an off-chain protocol for transferring Bitcoin UTXO ownership without a payment-channel graph, and said the research paper behind it has been accepted at ACM CCS 2026.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence

Sourced facts

name: Bitcoin Thunderbolt
reported in coverage · 2026-08-23
Evidence (2)
A matching GitHub release, Bitcoin Thunderbolt v1.0.0, was published the same day under [RiemaLabs/thunderbolt](https://github.com/RiemaLabs/thunderbolt).
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
[Nubit](https://www.nubit.org) has open-sourced Bitcoin Thunderbolt, an off-chain protocol for transferring Bitcoin UTXO ownership without a payment-channel graph, and said the research paper behind it has been accepted at ACM CCS 2026.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence

Development timeline

Nubit releases Bitcoin Thunderbolt v1.0.0 as open source

title: Nubit releases Bitcoin Thunderbolt v1.0.0 as open source
reported in coverage · 2026-08-23
Evidence (3)
A matching GitHub release, Bitcoin Thunderbolt v1.0.0, was published the same day under [RiemaLabs/thunderbolt](https://github.com/RiemaLabs/thunderbolt).
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
[Nubit](https://www.nubit.org) has open-sourced Bitcoin Thunderbolt, an off-chain protocol for transferring Bitcoin UTXO ownership without a payment-channel graph, and said the research paper behind it has been accepted at ACM CCS 2026.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
The repository says [Nubit](/company/nubitorg) maintains the project and that v1.0.0 is the first stable open-source release. The license is Apache 2.0.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
company: Nubit
reported in coverage · 2026-08-23
Evidence (2)
[Nubit](https://www.nubit.org) has open-sourced Bitcoin Thunderbolt, an off-chain protocol for transferring Bitcoin UTXO ownership without a payment-channel graph, and said the research paper behind it has been accepted at ACM CCS 2026.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
The repository says [Nubit](/company/nubitorg) maintains the project and that v1.0.0 is the first stable open-source release. The license is Apache 2.0.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
Product: Bitcoin Thunderbolt
reported in coverage · 2026-08-23
Evidence (2)
A matching GitHub release, Bitcoin Thunderbolt v1.0.0, was published the same day under [RiemaLabs/thunderbolt](https://github.com/RiemaLabs/thunderbolt).
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
[Nubit](https://www.nubit.org) has open-sourced Bitcoin Thunderbolt, an off-chain protocol for transferring Bitcoin UTXO ownership without a payment-channel graph, and said the research paper behind it has been accepted at ACM CCS 2026.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
description: Bitcoin Thunderbolt v1.0.0 is described as the first stable open-source release under Apache 2.0. Documented fixes currently cover regtest and signet, while mainnet remains planned after further testing and an independent audit.
company reported · 2026-08-22
Evidence (2)
The security policy currently says 1.0.x receives fixes for documented regtest and signet environments; the project's own roadmap still places mainnet after further testing and an independent audit.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
The repository says [Nubit](/company/nubitorg) maintains the project and that v1.0.0 is the first stable open-source release. The license is Apache 2.0.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
Announced: Aug 22, 2026
reported in coverage · 2026-08-23
Evidence (2)
The company account posted the news on Saturday.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
A matching GitHub release, Bitcoin Thunderbolt v1.0.0, was published the same day under [RiemaLabs/thunderbolt](https://github.com/RiemaLabs/thunderbolt).
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
Availability: Available
reported in coverage · 2026-08-22
Evidence (2)
A matching GitHub release, Bitcoin Thunderbolt v1.0.0, was published the same day under [RiemaLabs/thunderbolt](https://github.com/RiemaLabs/thunderbolt).
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence
The repository says [Nubit](/company/nubitorg) maintains the project and that v1.0.0 is the first stable open-source release. The license is Apache 2.0.
Nubit open-sources Bitcoin Thunderbolt after CCS 2026 paper acceptance · Original source evidence

Sections show up to the latest 30 resolved developments in our sourced record. Older coverage remains in the news archive and trackers.