Guillaume Poncin (@gponcin) 's Twitter Profile
Guillaume Poncin

@gponcin

Head of Engineering @ Alchemy | alumni of Stripe, Google and a couple of startups.

ID: 14688259

calendar_today07-05-2008 16:19:05

101 Tweet

6,6K Followers

364 Following

Nikil Viswanathan (nikil.eth) (@nikil) 's Twitter Profile Photo

Coded for first time in forever, built a block explorer in < 1hr with Alchemy + AI 🤩 Shared this video with the team - hope it inspires you to build! loom.com/share/f573293e…

Alchemy (@alchemy) 's Twitter Profile Photo

👛 IT’S WALLET WEDNESDAY 👛 Even experienced teams struggle with their wallet strategy in 2025. With account abstraction and smart wallets changing the game, what worked last year is already outdated. So let’s reset. How do you choose the right web3 wallet for your app? 🧐 We

Noam Hurwitz (@probablynoam) 's Twitter Profile Photo

Smart Wallets turn any application into an onchain application. This includes the wallet, but also all of the data needed to power these seamless experiences with Portfolio APIs: ⛓️ Multi-Chain: All Portfolio APIs are multi-chain - get all of the data you need in a single API

Smart Wallets turn any application into an onchain application. This includes the wallet, but also all of the data needed to power these seamless experiences with Portfolio APIs:

⛓️ Multi-Chain: All Portfolio APIs are multi-chain - get all of the data you need in a single API
Noam Hurwitz (@probablynoam) 's Twitter Profile Photo

Alchemy Smart Wallets are: - The cheapest smart accounts ever to deploy and transact with (2-3x cheaper than the field) 🤑 - Extensible with an ecosystem of modules (session keys, passkeys, etc)🧩 - Twice audited 🔒 (screenshot is from OP Mainnet, link in thread)

Alchemy Smart Wallets are:
- The cheapest smart accounts ever to deploy and transact with (2-3x cheaper than the field) 🤑
- Extensible with an ecosystem of modules (session keys, passkeys, etc)🧩
- Twice audited 🔒

(screenshot is from OP Mainnet, link in thread)
Andy (@wangandyy) 's Twitter Profile Photo

We slashed transaction latency from 5.5s → 3.75s. At 7.3M txns/week, that’s cumulative ~147 days of user wait time saved—every week. Fun example of engineering wins at scale.

We slashed transaction latency from 5.5s → 3.75s.

At 7.3M txns/week, that’s cumulative ~147 days of user wait time saved—every week.

Fun example of engineering wins at scale.
Noam Hurwitz (@probablynoam) 's Twitter Profile Photo

Big moves by our friends at Polymarket enabling @x to offer prediction markets to hundreds of millions of end users. One highlight of our partnership was the Alchemy engineering war room on Election Day as we powered 100% of their traffic (during our offsite no less). One of

Big moves by our friends at <a href="/Polymarket/">Polymarket</a> enabling @x to offer prediction markets to hundreds of millions of end users.

One highlight of our partnership was the <a href="/Alchemy/">Alchemy</a> engineering war room on Election Day as we powered 100% of their traffic (during our offsite no less). One of
Privy (@privy_io) 's Twitter Profile Photo

1/ Today, we're proud to announce that Stripe is acquiring Privy. We couldn’t be more excited. Privy will continue as an independent product – but now we’ll move faster, ship more, and serve you even better, so you can stay focused on your users.

1/ Today, we're proud to announce that Stripe is acquiring Privy.

We couldn’t be more excited.

Privy will continue as an independent product – but now we’ll move faster, ship more, and serve you even better, so you can stay focused on your users.
Alchemy (@alchemy) 's Twitter Profile Photo

"Did you guys just get two times faster?"⚡️- A builder asked us this after we quietly upgraded their infrastructure in May. The performance leap was so dramatic they had to ask. Here's what happened when we unleashed our latest engine on Towns App 👇

Alchemy (@alchemy) 's Twitter Profile Photo

From day 1, we've believed in World's mission. Together, we've gone from zero to: - 30M users - 14M verified humans - 1 billion mini app opens We're honored to have supported them every step of the way with rollups and smart wallets 🫶 Here's a trip down memory lane 🧵👇

Alchemy (@alchemy) 's Twitter Profile Photo

🧠 Introducing Cortex: The world’s first intelligent blockchain engine. Trained on trillions of requests from 7+ years powering the top crypto apps, Cortex is the new engine that supercharges our full developer platform. Unmatched performance for EVM and Solana developers 🧵👇

🧠 Introducing Cortex: The world’s first intelligent blockchain engine.

Trained on trillions of requests from 7+ years powering the top crypto apps, Cortex is the new engine that supercharges our full developer platform.

Unmatched performance for EVM and Solana developers 🧵👇
Alchemy (@alchemy) 's Twitter Profile Photo

🧠 Cortex powers our RPC APIs with intelligent routing trained on 7+ years of data. Here's what builders are already seeing: 📈 Polymarket: loads 60% faster 📈 Ormi: gets blocks 35% faster during peak load 📈 Usual: 2x faster for users & that’s just the beginning👇

Uttam (@uttam_singhk) 's Twitter Profile Photo

Not sure who needs to hear this but 8/10 of the top Hyperliquid protocols run on Alchemy infra :) Real Builders know where to go for reliability & speed

Not sure who needs to hear this but 8/10 of the top <a href="/HyperliquidX/">Hyperliquid</a> protocols run on <a href="/Alchemy/">Alchemy</a> infra :)

Real Builders know where to go for reliability &amp; speed