Charles Guillemet (@p3b7_) 's Twitter Profile
Charles Guillemet

@p3b7_

CTO at @ledger. Busy securing the blockchain revolution. Cryptography, (Hw) Security, Tech, Blockchain.
Previously built the Donjon (@DonjonLedger)

ID: 1041276721759043584

linkhttps://fr.linkedin.com/in/charles-guillemet calendar_today16-09-2018 10:44:51

4,4K Tweet

15,15K Followers

332 Following

Charles Guillemet (@p3b7_) 's Twitter Profile Photo

He went from saying "Bitcoin is a scam" to offering Bitcoin purchasing opportunities to his customers. Slowly, then suddenly. In hindsight, it was inevitable.

EthCC - Ethereum Community Conference (@ethcc) 's Twitter Profile Photo

Say hello to more EthCC[8] speakers! Vitalik Buterin from Ethereum Foundation (vitalik.eth) Track: 💡 For Developers and Users Charles Guillemet from ledger (@p3b7_) Track: 🔐 Security Sergey Nazarov from Chainlink (Sergey Nazarov) Track: 🏦 DeFi Juan David Mendieta from

Say hello to more EthCC[8] speakers!

Vitalik Buterin from Ethereum Foundation (<a href="/VitalikButerin/">vitalik.eth</a>)
Track: 💡 For Developers and Users

Charles Guillemet from ledger (@p3b7_)
Track: 🔐 Security

Sergey Nazarov from Chainlink (<a href="/SergeyNazarov/">Sergey Nazarov</a>)
Track: 🏦 DeFi

Juan David Mendieta from
Charles Guillemet (@p3b7_) 's Twitter Profile Photo

To all the journalists claiming that Google’s latest research spells the end of Bitcoin: 1. Bitcoin doesn’t use RSA. In fact, no serious blockchain does. 2. A 20x quantum speedup changes nothing significant. Going from 2^112 to 2^107 in RSA security is like going from

To all the journalists claiming that Google’s latest research spells the end of Bitcoin:

1. Bitcoin doesn’t use RSA. In fact, no serious blockchain does.

2. A 20x quantum speedup changes nothing significant.
Going from 2^112 to 2^107 in RSA security is like going from
June like the Month 🦆 | Berlin (@juneejuneejunee) 's Twitter Profile Photo

Also on the 18th, Charles Guillemet has a panel on ‘The Bitcoin Opportunity’ - myself and other Ledgers will also be in attendance hosting something quite fun with LI.FI lu.ma/vn99pm53?tk=xU…

LI.FI (@lifiprotocol) 's Twitter Profile Photo

Panel Announcement: The Bitcoin Oppurtunity 📣 Jaz 🌸, Simon Harman 🫵, Dominik Hell & Charles Guillemet join irena to unpack what it takes to make native Bitcoin interoperable. See you there — June 18 in Berlin Register now: lu.ma/vn99pm53

Panel Announcement: The Bitcoin Oppurtunity 📣

<a href="/jzgulati/">Jaz 🌸</a>, <a href="/SimonAHarman/">Simon Harman 🫵</a>, <a href="/DominikHell6/">Dominik Hell</a> &amp; <a href="/P3b7_/">Charles Guillemet</a> join <a href="/irena_clarke/">irena</a> to unpack what it takes to make native Bitcoin interoperable.

See you there — June 18 in Berlin

Register now: lu.ma/vn99pm53
Charles Guillemet (@p3b7_) 's Twitter Profile Photo

GCP is down, and the entire internet is struggling to serve pages. It seems the dream of a decentralized internet is dead, if anyone still had any doubts.

GCP is down, and the entire internet is struggling to serve pages.
It seems the dream of a decentralized internet is dead, if anyone still had any doubts.
Ledger (@ledger) 's Twitter Profile Photo

Could quantum computers compromise crypto as we know it? Our CTO Charles Guillemet breaks down what’s at stake and what comes next. Watch now ⬇️

Meredith Whittaker (@mer__edith) 's Twitter Profile Photo

Use Signal. We promise, no AI clutter, no surveillance ads—whatever the rest of the industry does. We lead we don’t follow❤️

Use Signal. 

We promise, no AI clutter, no surveillance ads—whatever the rest of the industry does. 

We lead we don’t follow❤️