Bitcoin security beyond the keys: BitVault in Lugano
More than 100 people joined BitVault’s Securing Bitcoin event in Lugano. Explore the talks, audience questions and hands-on B-SSL workshop at Spazio 21.
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BitVault × wave.space: Buy Bitcoin Straight Into a Protected Vault
We are partnering with wave.space to make one of the most common Bitcoin saving habits easier to maintain and much safer: buying regularly and moving those savings into a setup designed for long-term self-custody. With the new integration, wave.space users can direct their Bitcoin purchases straight to a vault. Instead of buying Bitcoin first and…
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Pay-to-Many and Privacy: How the Way You Spend Bitcoin Can Reveal More Than You Think
By mordom Two transactions can use addresses that have never been used before and contain no names or personal information. Yet, by looking at them together, it may still be possible to infer that they belong to the same activity. The reason is simple: Bitcoin privacy does not depend only on which address you use, but…
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Securing Bitcoin: Beyond the Keys — Join Us in Lugano on October 22
Bitcoin self-custody gives you control. But protecting your keys is only the beginning. You can use a hardware wallet. Back up your seed correctly. Keep your devices offline. And still have things go wrong. What happens if the device you trust is compromised? If your privacy exposes you as a target? If the infrastructure you…
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When Things Go South: Stress-Testing a Bitcoin Vault at Noderunners
What happens to a Bitcoin vault when one of its keys is compromised? And what if a key becomes unavailable instead? At Noderunners Conference in Arnhem, we turned those questions into an interactive experiment thanks to our lead developer Riccardo. During When Things Go South: The B-SSL Vault Challenge, BitVault Lead Developer Riccardo Biffi walked…
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Vault Construction and Coordination Transport: Two Orthogonal Layers of Bitcoin Custody
v1.0 · Co-published with Custody Agents on August 31st 2026. Reference PDF here. Section 1 · The conflation problem Picture a custody setup done properly. Three keys on three hardware devices, descriptors backed up, a modern vault construction with time-locked recovery paths, every best practice observed. Now watch what happens when the owner actually spends….
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BitVault Is Now Live on iOS: Beyond Keys, Protecting Humans
BitVault is now officially live on iOS, combining multisig, hardware-wallet signing and time-delayed Bitcoin transactions with limited launch packages that include hardware-wallet vouchers.
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Coldcard Mk3 and the Limits of Single-Signature Security
The Coldcard incident shows how weak key generation can defeat an air-gapped wallet. We examine what multisig and time-delayed BitVault security mitigate — and what they do not.
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Package Relay and Ephemeral Anchors: How Bitcoin Transactions Adapt to a Changing Fee Market
By Riccardo How a low-fee parent and a fee-paying child can travel through the network together TL;DRPackage relay lets Bitcoin nodes evaluate a low-fee parent and a fee-paying child together. P2A gives the child a compact, keyless output to spend, while ephemeral dust permits that anchor to carry zero value when it is created and…
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secp256k1: The Mechanism That Secures Bitcoin Signatures
How do you prove control of a UTXO without revealing the secret that protects it? By mordom It is one of the most fascinating questions of the entire Bitcoin protocol. Every time you send a transaction, thousands of nodes must verify that you truly have the right to spend those UTXOs. Yet, no one knows your…
