Ledger audits Trezor's chip, finds unfixable flaw in Safe 7
Ledger's security team disclosed a laser fault injection vulnerability in Trezor Safe 7's open-source TROPIC01 chip, requiring a silicon revision and establishing cross-rival hardware audits as industry norm.
Foundation ships Passport Prime, opens KeyOS to developers with $6.4M round
Foundation closed $6.4M led by Fulgur Ventures, launched Passport Prime hardware wallet with KeyOS OS to general availability, and opened developer platform to outside builders including Cake Wallet's 1M users.
Ledger and Trezor Commit to Clear Signing Standard
Hardware wallet makers Ledger and Trezor pledged to implement Ethereum's new Clear Signing standard by June 30, closing the blind-signing attack surface that enabled billions in crypto theft.
Fedimint v0.11.0 Ships Gateway Recovery via Mnemonic
Fedimint released v0.11.0 on April 17, 2026, with gateway recovery from seed phrases and NAT-transparent networking — removing the last major operational barrier to running community Bitcoin banking infrastructure.
Counterfeit Ledger Hardware Hits Chinese E-Commerce at Official Prices
A Brazilian researcher disclosed a sophisticated counterfeit Ledger Nano S Plus with embedded WiFi and Bluetooth sold via Chinese e-commerce platforms April 17, 2026—a hardware-level supply-chain attack distinct from and more dangerous than the concurrent $9.5M fake-app theft.
Bitcoin Lens Claims the Block Is Physics Long-Sought Smallest Unit of Time
Bitcoin Lens, a formal research institution, argues Bitcoin's block is the first empirical instantiation of the chronon, physics' theoretical smallest unit of time proposed in 1927, reframing quantum mechanics and quantum computing in the process.
Bitcoin Knots Captures 22.6% of Network as Core Schism Deepens
Bitcoin Knots adoption surged to 5,599 nodes (22.6% of the network) after Core's OP_RETURN expansion, exposing a fundamental divide over whether Bitcoin should remain a lean monetary system or accommodate arbitrary data.
Bitcoin's Emergency Brake Could Lock You Out—Until Now
Olaoluwa Osuntokun shipped a working prototype quantum-resistant wallet rescue tool on April 8, solving a critical gap in Bitcoin's emergency defense plan that could otherwise strand 1.7 million BTC in users' own wallets.
PureCycle Locks €40M EU Grant for 59,000-Tonne Antwerp Plastics Plant
PureCycle Technologies secured a €40 million EU Innovation Fund grant to build a 59,000-tonne dissolution recycling facility at the Port of Antwerp-Bruges, its first European deployment and largest plant outside Ohio.
Nunchuk Ships BIP352 Silent Payments, First Major Multisig Wallet to Adopt Standard
Nunchuk has shipped BIP352 Silent Payment send support, becoming the first production-grade multisig wallet to adopt the standard as BIP392 formalises the sp() descriptor for wallet interoperability.