Tracking Quantum Vulnerable Bitcoin - Part 2
An open-source tool that identifies every Bitcoin address exposed to quantum attacks, with real-time data on balances, vulnerabilities, and how risk evolves over time.
In part 1, we introduced QuanBot, a real-time way to see quantum-vulnerable Bitcoin moving across the network. For Part 2, we’re zooming out. Instead of watching transactions as they happen, this tool gives you the full picture: every Bitcoin address that is already at risk.
Bitcoin Risq List v2
Back in January 2025, we launched version 1 of the Bitcoin Risq List. It was useful, but limited, closed source, manual, and slow.
Today we’re releasing version 2. It’s:
- Open source: the first open source tool of its kind. Anyone can inspect it, improve it, or repurpose it. Contributions welcome.
- Automated: runs weekly, not manually.
- Comprehensive: covers the entire Bitcoin network and all address types.
- Transparent: explains exactly why an address is vulnerable.
What you get:
- A searchable database of every quantum-vulnerable address and its balance.
- Clear reasons each address is at risk (key reuse, p2pk, partial spends, etc.).
- A breakdown of total Bitcoin at risk by vulnerability type, covering historical data at 100k block intervals as well as weekly snapshots at the latest block height.
- A time-series chart showing how the at-risk balance changes over time.
You can look up your own address (or anyone’s) and see if it’s vulnerable to a quantum attack.
Why this matters
No more speculation about “how much Bitcoin is at risk”. With the tracker, we can put real numbers behind it. And no scare tactics. Just clear info and real tools to keep your Bitcoin safe.
This is the first open source attempt we’ve seen to systematically track Bitcoin’s quantum risk. If you care about the security of the network, this is your chance to get involved. Fork it, run it, add to it.
Links
- Bitcoin Risq List: https://bitcoin-risq-list.projecteleven.com/
- Bitcoin Risq List Metrics: https://bitcoin-risq-list.projecteleven.com/metrics
- Bitcoin Risq List FAQs: https://bitcoin-risq-list.projecteleven.com/faqs
- Bitcoin Risq List’s Open Source Query: https://github.com/p-11/bitcoin-risq-list-query
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