Ledger CTO on How NOT to Lose Your Crypto
Bankless
Bankless
4.7 • 1.2K Ratings
🗓️ 28 February 2023
⏱️ 84 minutes
🧾️ Download transcript
Summary
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
Transcript
Click on a timestamp to play from that location
| 0:00.0 | Bankless Nation, welcome to this critically important episode of Bankless, where we are |
| 0:04.6 | going to talk about your wallet and you. |
| 0:07.5 | How to set up a wallet and not lose all of your money? |
| 0:10.7 | What does it mean to securely store your own crypto assets in the world of Web 3? |
| 0:16.5 | And in order to tell the story, we're bringing on a security expert. |
| 0:19.8 | This is going to be an episode with Charles Gume, who is the CTO of Ledger. |
| 0:23.8 | He's got a background in cryptography and hardware security, and overall knows all of the |
| 0:28.6 | best practices to setting up your private keys, your seed phrase, your hardware wallet, |
| 0:33.2 | your hot wallet. |
| 0:34.4 | And make sure that when you put money into those things, that the money stays there and |
| 0:38.7 | does the things that you want it to, as you navigate the wild, wild west of crypto. |
| 0:44.3 | As we all know, at Bankless, we want people to be their own banks, but we are not naive |
| 0:48.8 | at all, and that this is a big deal. |
| 0:51.4 | It is a big deal to store your own money. |
| 0:53.6 | It is a big deal to self-custody assets. |
| 0:56.0 | It scares a lot of people. |
| 0:57.3 | It is intimidating, and it should be because of how big of a deal it is. |
| 1:00.8 | But thankfully, we have people like Charles at Ledger and other teams working on the world |
| 1:05.4 | of private key management to help us navigate the world of self-custody safely and securely, |
| 1:10.5 | so that we have all of the best that Web 3 has to offer while still not losing our funds. |
| 1:14.9 | We'll cover subjects in this episode like how to set up your seed phrase, how to set |
| 1:18.6 | up your private keys, how to have and manage a cold wallet. |
... |
Please login to see the full transcript.
Disclaimer: The podcast and artwork embedded on this page are from Bankless, and are the property of its owner and not affiliated with or endorsed by Tapesearch.
Generated transcripts are the property of Bankless and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.
Copyright © Tapesearch 2026.