Charles Guillemet is the CTO at Ledger with a highly experienced background in cryptography  and hardware security.  In today’s episode, Charles walks through all levels of security. No matter if you’re just beginning your wallet security journey or if youre a veteran, this episode will teach you something new about all things crypto and wallet security.  ------ 📣 MetaMask Learn | Learn Web3 with the Leading Web3 Wallet https://bankless.cc/   ------ 🚀 JOIN BANKLESS PREMIUM:  https://newsletter.banklesshq.com/subscribe   ------ BANKLESS SPONSOR TOOLS:  🐙KRAKEN | MOST-TRUSTED CRYPTO EXCHANGE https://bankless.cc/kraken   🦄UNISWAP | ON-CHAIN MARKETPLACE https://bankless.cc/uniswap   ⚖️ ARBITRUM | SCALING ETHEREUM https://bankless.cc/Arbitrum   👻 PHANTOM | #1 SOLANA WALLET https://bankless.cc/phantom-waitlist   ------ Topics Covered 0:00 Intro 5:52 CTO of Ledger 8:35 Private Keys  17:25 Avoiding Bad Entropy  23:11 Private Keys & Seed Phrases 29:00 Mistakes Storing Seed Phrases 36:55 Securing Your Seed Phrase  45:00 Overengineer Wallet Security 47:55 Cold vs. Hot Wallets  54:22 Benefits of Hot Wallets  58:47 Smart Contract Risk  1:06:45 Allowances  1:11:30 Allowance Access  1:14:00 Blind Signing  1:18:00 Solution to Blind Signing  1:21:38 Resources to Learn More 1:22:22 Closing & Disclaimers  ------ Resources: Charles Guillemet https://twitter.com/P3b7_  Ledger https://twitter.com/Ledger  ----- Not financial or tax advice. This channel is strictly educational and is not investment advice or a solicitation to buy or sell any assets or to make any financial decisions. This video is not tax advice. Talk to your accountant. Do your own research. Disclosure. From time-to-time I may add links in this newsletter to products I use. I may receive commission if you make a purchase through one of these links. Additionally, the Bankless writers hold crypto assets. See our investment disclosures here: https://www.bankless.com/disclosures 

Ledger has been the center of attention since the announcement of their new “Recover” feature which has brought into question how secure our Ledger devices actually are.  Charles joins us to walk through how exactly this recover feature functions, breaking down how a Ledger actually functions, and possible paths moving forward. ------ 📣 CONSENSYS | DILIGENCE FUZZING https://bankless.cc/diligence-fuzzing-pod  ------ 🚀 Airdrop Alpha is waiting for you on Bankless.com  https://bankless.cc/Alpha   ------ BANKLESS SPONSOR TOOLS:  🐙KRAKEN | MOST-TRUSTED CRYPTO EXCHANGE https://k.xyz/bankless-pod-q2   🦊METAMASK LEARN | HELPFUL WEB3 RESOURCE https://bankless.cc/MetaMask  👾STADER LABS | ETHX LIQUID STAKING https://bankless.cc/Stader  ⚖️ ARBITRUM | SCALING ETHEREUM https://bankless.cc/Arbitrum  🗣️TOKU | CRYPTO EMPLOYMENT SOLUTION https://bankless.cc/Toku  🎮IMMUTABLE | GAMING ECOSYSTEM https://bankless.cc/Immutable  🛞MANTLE | MODULAR LAYER 2 NETWORK https://bankless.cc/Mantle  ------ Topics Covered 0:00 Intro 6:21 Ledger's Recover Service Overview 18:40 Is Ledger Recover Forced or Opt-In? 23:07 Dissecting a Ledger Device 29:41 Can Firmware Reveal Private Keys? 36:54 A Social Contract With Ledger 42:31 Assurance Of No Back Door 51:16 2-Part Firmware Solution? 57:42 Will Ledger Forget About Us? 1:02:46 Closing and Disclaimers ——— Resources: Charles  https://twitter.com/P3b7_  Ledger https://twitter.com/ledger  ---- Not financial or tax advice. This channel is strictly educational and is not investment advice or a solicitation to buy or sell any assets or to make any financial decisions. This video is not tax advice. Talk to your accountant. Do your own research. Disclosure. From time-to-time I may add links in this newsletter to products I use. I may receive commission if you make a purchase through one of these links. Additionally, the Bankless writers hold crypto assets. See our investment disclosures here: https://www.bankless.com/disclosures 

Charles Guillemet, Ledger's CTO and a seasoned expert in cryptography and security, dives into a critical vulnerability found in Apple’s M1 chips. He explains the implications of this unpatchable flaw and the risks of using devices for securing private keys. Alongside Ian Rogers, they discuss how hardware wallets provide superior security compared to software solutions. Guillemet also highlights the balance between performance and security in chip design, making a compelling case for why robust measures are essential for protecting digital assets.

Charles Guillemet, CTO of Ledger and architect of its security protocols, shares insights on the evolution of digital threats. He highlights the importance of robust security measures in protecting digital identities and assets. Guillemet discusses innovative technologies like the Kiering Protocol and secure touchscreen wallets, enhancing user control and safety. He emphasizes continuous firmware updates and user education as critical steps in navigating cybersecurity challenges. The conversation underscores the urgency of safeguarding personal information in today's interconnected online world.

Ian Rogers, CXO of Ledger, and Charles Guillemet, CTO, dive into Ledger’s open-source approach to digital ownership. They discuss the misconceptions about security in open source, especially in hardware. The duo explores how Ledger balances transparency and proprietary tech while addressing challenges in securing hardware wallets. They reveal the complexities of open source software versus hardware, the importance of physical security, and the critical need for genuine security practices, all while paving the way for future innovations.