VP Engineering at Qonto (@getqonto). Paris. Previously running engineering at Ledger, Trainline, and Deezer.
Paris, France
Joined September 2010
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I started at @getqonto 3 months ago and here's what I've been up to lately ;)
linkedin.com/pulse/same-comp…
1/12
🧵Let's talk about @Ledger Sync — the feature that brings Web2 convenience to self-custody without compromising our privacy.
11/12
Open for builders: with a @Ledger device and our Device Management Kit, any app can do this—private cloud sync, encrypted chats, shared docs, you name it.
developers.ledger.com/docs/d…
12/12
TL;DR
We could've gone the easy route: create an account, store your data in our database, call it a day.
But that's not who we are. At Ledger, we believe no one should own your data except you.
So we built something better: Ledger Sync.
➡️ Data lives server‑side
➡️ Only you can read it
➡️ Open standard for builders
➡️ Private by default. Exactly how cloud should be.
Carl Anderson retweeted
I’ve always kept most of my coins on my Ledger.
But ngl, using hardware wallets with dApps used to feel like extra steps and mini headaches.
Today I tried connecting my @Ledger straight to @1inch and it just worked in one click.
No juggling or weird prompts.
For someone who actually cares about self-custody and speed, this is the type of upgrade that matters.
Secure hands, smooth swaps &
Feels right.
1/10
👋 Yesterday at Ledger Op3n, we announced a new brick in our developer toolkit:
Ledger Direct Connectivity — a direct, secure way for dApps to connect with Ledger devices.
youtu.be/Rl-rDpZ_BmY
#LedgerOp3n2025 @Ledger
🧵Let me walk you through what this is 👇
9/10
🧩 Ledger Direct Connectivity is:
➡️ Built on the Device Management Kit
➡️ Open and modular
➡️ Compatible with any dApp stack
10/10
You can try it today on 1inch.com.
Connect your Ledger. Pick an account. Swap.
This is Ledger Direct Connectivity — hardware-level security with web-level convenience.
#LedgerOp3n2025 #Web3 @Ledger @1inch
youtu.be/Rl-rDpZ_BmY