At the crossroad of Crypto and Security: A dev insider view
summary
Engineering account custody for institutional clients at Ledger: shows a concrete B2B feature that removes nonces from user-signed transactions so thousands of parallel intents can be approved later, then re-inserts correct nonces server-side; uses secure element chips to keep 24-word seeds and private keys unreachable; uses HSMs and a max-fee cap to avoid failing during fee spikes; cites a million-dollar leaked seed example and billions-in-funds customers, and reports the approach restores UX while preserving cryptographic guarantees via what you see is what you sign.
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chapters (12)
- 0:00Introduction and speaker intro
- 1:45Why crypto needs security
- 5:40Blockchain basics explained
- 8:10Private keys and seed risks
- 11:20Secure elements and hardware devices
- 13:25Recap of crypto security flow
- 14:50B2B transaction approval feature
- 19:43Handling blockchain fees and market volatility
- 23:35Crypto’s fast-evolving landscape
- 26:04Balancing crypto security and UX
- 26:48Interactive quiz and giveaway
- 33:13Q&A and closing remarks
