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Section

Bitcoin

Reporting and analysis across Bitcoin.

Token Approvals: How Allowances Drain Wallets
Bitcoin· 8 min

Token Approvals: How Allowances Drain Wallets

The dominant way people lose funds from a self-custodial wallet is not a compromised key. It is a permission they granted deliberately, months earlier, to a contract they have long forgotten — and which never expires.

Emily Volker · October 7, 2026→

Inheritance and Self-Custody: The Failure Nobody Designs For
Bitcoin· 8 min

Inheritance and Self-Custody: The Failure Nobody Designs For

Every self-custody guide teaches you to make your seed impossible for anyone else to use. Almost none address what happens when the one person who could use it is no longer available, which is a certainty rather than a risk.

Olivia Bennett · October 5, 2026→

Air-Gapped Signing: QR, microSD and USB Compared
Bitcoin· 8 min

Air-Gapped Signing: QR, microSD and USB Compared

Every signing device has to receive an unsigned transaction and return a signature. How that data crosses the gap decides what a compromised computer can attempt, and the three common answers differ more than the marketing suggests.

James Park · October 3, 2026→

The Passphrase: What the 25th Word Actually Buys
Bitcoin· 7 min

The Passphrase: What the 25th Word Actually Buys

The passphrase is the most misunderstood feature on a signing device. It is genuinely powerful, it is the only defence against someone who has found your seed, and it is responsible for a large share of permanent self-custody losses.

Emily Volker · October 1, 2026→

BIP-32, BIP-39 and BIP-44: The Layers Behind a Seed Phrase
Bitcoin· 8 min

BIP-32, BIP-39 and BIP-44: The Layers Behind a Seed Phrase

People say seed phrase as though it were one thing. It is three separate standards doing three separate jobs, and almost every case of a correct phrase restoring an empty wallet is a mismatch at one specific seam between them.

Olivia Bennett · September 29, 2026→

Multisig vs Single-Key Custody: Where a Threshold Helps
Bitcoin· 9 min

Multisig vs Single-Key Custody: Where a Threshold Helps

Multisig is sold as strictly safer than holding one key, which is not what a threshold scheme does. It trades one failure mode for a different set, and whether that trade is good depends on which failure you are actually trying to survive.

James Park · September 27, 2026→

Reproducible Builds: Verifying the Firmware You Are Running
Bitcoin· 8 min

Reproducible Builds: Verifying the Firmware You Are Running

Open source is treated as the end of the security argument for a signing device. It is the beginning of one. Between published source and the binary on your device sits a compilation step, and only a reproducible build closes it.

Emily Volker · September 25, 2026→

Secure Elements: What Certification Proves, and What It Does Not
Bitcoin· 8 min

Secure Elements: What Certification Proves, and What It Does Not

A secure element is one of the few genuinely strong components in consumer crypto hardware, and its certification is a real, audited claim. It is also a claim about a narrow question, and the marketing that surrounds it routinely stretches it to cover things it was never about.

Olivia Bennett · September 23, 2026→