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Ledger released an open-source AI Agent Stack requiring a Ledger hardware device to approve transactions, aiming to secure AI interactions with wallets.
David Bennett warns against Ledger due to repeated customer data hacks, forced firmware updates for forks, and the risk of requiring their hardware for AI agents.
Matt noted that CoinKite, which deletes customer data after 120 days, suspects the scam letters originated from aggregated data leaks or shipping company compromises, citing identical signatures across scam letters from Ledger and CoinKite.
Woodhouse stresses the need for battle testing custody setups. He recounts a case where a Ledger in a 2-of-3 multisig died, temporarily reducing the setup to 2-of-2 and creating a vulnerability.
Strike added phishing protection via in-app code words, a practical update given email leaks from other services like Ledger.
Trezor disclosed a vulnerability in the TROPIC-O1 secure element chip of its Safe 7 hardware wallet, discovered during an audit by Ledger's Donjon team, though it states user funds remain safe.
Bennett recommends Cold Card and Bitbox as Bitcoin-only hardware wallets, advising against Ledger and Trezor due to security concerns and their support for altcoins.
Bull Bitcoin mobile has integrated Ledger hardware wallets and offers a new FSS hybrid storage strategy, CoinJoin privacy enhancements, and support for 11 additional languages.
Mert Mumtaz highlights several Zcash catalysts: Ledger's planned support for shielded ZEC (currently 31-32% of total supply), the Paradigm and Andreessen Horowitz-backed Zodal wallet, and block time reduction from 75 to 25 seconds, enhancing transaction speed and ecosystem growth.
Herbert estimates the total hardware wallet market outside China is around 10-15 million devices sold, with Ledger holding roughly 90% of that market.
Herbert criticizes Ledger's newer E Ink devices like Stax and Flex for lacking haptic feedback and being manufactured by Foxconn in Vietnam instead of France.
Herbert criticizes Ledger for dominating 90% of the hardware wallet market with a legacy platform built on 30-year-old smart card/Java Card technology, forcing a closed, app-reviewed ecosystem.