Married with Ai and crypto. Building @due_link on @arc Coding @druto_app Cooking "Circle & Arc Builder" GPT prev @redstone_defi @suinetwork
Joined March 2023
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Ha nan retweeted
In the last 60 days, community-led @arc events alone generated ~110k views on Arc House and welcomed 6.7k checked-in attendees 😮
THANK YOU to everyone showing up, spreading the word, and bringing your chapter-led events to life
Ha nan retweeted
Hello Architect, Bangladesh Office Hour Event #05
Builders will demo projects and take part in a live Q&A.
Date: 7 October 2026
Time: 9:00 PM (GMT+6)
Selected builders will show what they are shipping. Everyone else can join, ask questions, and catch the regional updates.
Register: community.arc.io/home/clubs/…
Keep building on @arc
Arc Bangladesh Office Hour #05 is happening
October 7 at 9 PM GMT+6.
Builders will demo live, Q&A open for everyone.
Register: community.arc.io/home/clubs/…
Building on @arc? Show up.
Can't thank enough @ceceraphs for your feedback.
Well, I was sick and completely missed this massive shoutout from my favourite @bobbilee .
This honestly means a lot to me and motivates me even more to keep improving the tool and make it more user-friendly for builders.
Thanks a lot. Really appreciate the support! ❤️
i can't wait to test out @Hotpunkk's "Circle & Arc Builder" GPT she's been working on :)
"I built Circle & Arc Builder, a GPT focused on helping builders learn, build, debug and research across Arc, Circle and USDC. It brings together Arc and Circle documentation, developer resources, Arc House community content and web research."
👀
we are here
Arc Mainnet is live.
Arc launches as the Economic OS for the internet: an open platform for global markets, real-time value movement, tokenized assets, and agentic economic activity.
Arc is more than a blockchain.
It launches as a full-stack financial platform with assets, applications, interoperability, developer infrastructure, and Circle platform services live from day one.
Arc delivers USDC as native gas, deterministic sub-second finality, EVM compatibility, and institutional validators.
It integrates with Arc Studio, App Kits, Arc Portal, Circle Agent Stack, CCTP, Gateway, CPN, and StableFX.
A complete economic platform at genesis.
Arc launches with infrastructure for:
→ Agentic economic workflows
→ Lending and borrowing
→ Trading and liquidity
→ Onchain FX
→ Payments and settlement
→ Tokenized assets
→ Exchanges, wallets, custody, compliance, data, and developer tooling
190+ institutional and ecosystem builders are building across Arc.
Just wrapped the Programmable Money Hackathon, hosted by EncodeHub. First time building on Arc.
I built @due_link . One onchain object, a Link, that represents any direct obligation between two wallets. A payment, a peer-to-peer loan, an escrow-backed trade, an invoice. Create a Link with a counterparty, a type, and terms. Funds move only per those terms, enforced onchain.
Four use cases, one primitive. That was the whole bet going in.
Built on @arc 's EVM infrastructure, with Circle Developer Wallets and USDC-native gas underneath. Settlement targets $0.01 with sub-second finality, across all four Link types.
A couple things stood out working with Arc for the first time. USDC as the gas token means there's no separate token to explain to someone before they can even try the product. Sub-second finality means a loan repayment or an escrow release doesn't leave both sides staring at a pending transaction.
Still on testnet. Still plenty to build. Good first project.
Well, good news is I am involved in building @druto_app .
Bad news is I am passing very busy days with backend staffs and meetings.
Most developer tools promise to save time. Yet many builders still spend hours jumping between tabs, reading guides, searching GitHub issues and asking questions in Discord.
Can AI do more than explain documentation? Can it actually help someone build? To test that idea, I started using the #GPT as if it were a teammate rather than a chatbot.
Instead of asking:
"What is @arc ?"
I asked practical questions such as:
I want to build a USDC payment application on Arc.
Which Circle products should I use?
What architecture would you recommend?
With a specialized GPT, the process becomes more conversational. That doesn't mean AI replaces documentation.
What AI can do is help builders:
Discover relevant resources faster
Understand unfamiliar concepts
Compare different approaches
Identify potential mistakes
Organize their learning path
Accelerate research
That's the direction I'm exploring with Circle & Arc Builder. Not as a replacement for Arc or Circle documentation. Not as a replacement for developer experience. But as a tool that helps builders move from confusion to clarity a little faster.
Months of events is here
As we get closer to Arc mainnet, the builder conversations are getting more interesting.
September 3rd brings two big sessions.
🔹 Technical Office Hours.
rc team + open Q&A
🔹 Arc × Morpho.
Midnight & fixed rate lending onchain.
Two different topics. One day worth showing up for.
You can still register for both sessions on arc house.
Traditional fx desks close on weekends because the underlying settlement rails close, not because currency risk takes a break.
Ha nan retweeted
CCTP just made exact amount transfers more predictable.
With upfront fees, the fee is quoted and paid on the source chain instead of being deducted from the USDC being transferred. So the destination can receive the exact amount intended.
The important integration detail: quote bound transactions can revert if the fee parameters don’t match the quote.
Circle’s new flow covers the Quote API, "FORWARD" / "PRE_FINALITY" fee types, paying fees in native gas or USDC, and TokenMessengerWithFees.
Definitely an interesting topic for builders working with cross-chain @USDC flows.
Watch HJ Chen’s video on @arc House and read more 👇
Bangladesh Build Club | Let’s Build on Arc Event is going on. @sukanto018 is showing live on how to build on @arc testnet. He is breaking down every step you need to know. hurry up , join now.
Join: community.arc.io/home/clubs/…
