Ledger

The Coldcard entropy flaw caused a crisis of confidence in hardware wallets. Here’s the details you need to know before you entrust Ledger, Trezor or Foundation with your Bitcoin.

Ledger CTO Charles Guillemet says the Coldcard exploit underscores why certified hardware randomness matters—and why AI is reshaping wallet security.

Ripple said the deals are set to bring regulated transfer agency, issuance, and collateral mobility to its infrastructure on the XRP Ledger.

The xrpld 3.3.0 release is expected next week with five proposed amendments, including two revised features that were previously withdrawn after researchers found bugs that could have allowed unauthorized transactions or fee draining.

Zilliqa halted native transactions after revealing a bug in its Ledger app dating to 2019 that exposed private keys via onchain signatures.

A security vulnerability in the Zilliqa Ledger app is enabling attackers to reconstruct private keys using publicly available onchain data.

Ripple recently joined x402 Foundation, serving as a premier member alongside Coinbase, Circle, and Visa.

AI agents can read wallet balances and analyze portfolios but requires every sensitive action to be approved on a Ledger hardware device before it can be executed.

With Ledger Agent Stack, users can deploy bots to read balances, suggest transactions, prepare swaps and draft operations.

Bitcoin Magazine The Bitcoin Softfork That Tried to Police “Junk Data” — And Why It’s Already Failing Bitcoin’s real power is that anyone willing to pay fees can write to the ledger. BIP-110’s backers want to change that for data-heavy transactions. The backlash reveals what’s truly at stake. This post The Bitcoin Softfork That Tried to Police “Junk Data” — And Why It’s Already Failing first appeared on Bitcoin Magazine and is written by Brandon Black .

Ledger researchers disclosed a laser attack that resets Tangem card passwords by bypassing a recovery-state check in the firmware.

Swift’s pilot allows 17 global banks to transfer tokenized deposits on weekends, but ultimate settlement still relies on legacy systems.

HSBC, UBS, Wells Fargo and Citi are among the 17 banks now preparing to pilot live transactions using tokenized digital assets on Swift’s new blockchain payments platform.

Swift launched a blockchain-based ledger that enables 17 banks to pilot 24/7 cross-border payments using tokenized deposits.

SWIFT launched its new blockchain ledger that will host a tokenized bank deposit pilot for 17 major banks seeking faster cross-border payments.

The new software leads among the network's validators, yet by node count it sits behind the older v3.1.3, and the security amendment bundled with it remains a separate, slower vote. The upgrade needs 80% of the trusted validator list to activate.

The Bank of Korea’s governor praised tokenized government bonds for easing the issuance and management of government debt during a panel discussion at the ECB Forum.

Ripple outlined how the XRP Ledger Lending Protocol would provide institutions with a novel way to structure loans directly on-chain.

The deal values Flutterwave at $3.2 billion, and will integrate Ripple's RLUSD and the XRP Ledger network to speed cross-border payments across Africa.

Ripple backs Flutterwave's $3.2 billion Series E with RLUSD and XRP Ledger integration across 34 African markets through investment.

The companies are pairing MXNB and RLUSD on the XRP Ledger to support institutional payments between the United States and Mexico as stablecoin adoption grows across Latin America.

Industry insiders warn that MiCA's steep financial barriers are choking early-stage innovation.

The vulnerability in Trezor's TROPIC01 Secure Element chip was uncovered by an audit carried out by the Ledger Donjon team.

Ledger's Donjon team found a laser-based hardware flaw in the TROPIC01 chip used in the Trezor Safe 7, but Trezor says no funds are at risk.

Trezor and Tropic Square disclosed a TROPIC01 chip vulnerability found during a Ledger Donjon audit, saying the Safe 7 wallet and user funds remain secure.

The flaw affects only one of the wallet's multiple security layers and would require physical access, specialized equipment and advanced expertise to exploit.

A draft XRPL amendment notes that flash loan attacks are "structurally impossible" on the network because of how its transactions are built, an architectural quirk that has spared the chain from the exploit class that has cost Ethereum DeFi billions.

Falling MVRV ratio, high XRP Ledger activity and a bullish wedge pattern signal a potential XRP price rise toward $3.10.

A draft proposal filed Tuesday would extend the XRP Ledger's native automated market maker with three swappable curve types, giving liquidity providers more efficient ways to deploy capital and closing one of XRPL DeFi's longest-standing gaps.

The XRP Ledger is rolling out the fixCleanup3_1_3 upgrade on Wednesday, to clean up expired NFTs.