XC (Xiaohong Chen) | π²

CTO @Pi2_Labs | CS PhD @UofIllinois
building light-speed decentralized payment network
random personal opinions & thoughts

[XC (Xiaohong Chen) | π² @chenxiaohong]

@Sergey007S @fastxyz @RosuGrigore Please check more details from our docs: https://t.co/sARwN3GgOC. Look for external claims transactions.

[XC (Xiaohong Chen) | π² @chenxiaohong]

@Sergey007S @fastxyz @RosuGrigore @Sergey007S And, the overall message can be checked against the network's validators.

[XC (Xiaohong Chen) | π² @chenxiaohong]

@Sergey007S @fastxyz @RosuGrigore Hey @Sergey007S , thanks for the message! Yes, an external claim settled on Fast is independently checkable. The verifiers' signatures can be checked against the public addresses of the verifiers' addresses and the content of the tx.

[XC (Xiaohong Chen) | π² @chenxiaohong]

https://t.co/fjbSj0GwkP

[XC (Xiaohong Chen) | π² @chenxiaohong]

I've started to use normalpowers (link in reply) to guide my LLM model to think and brainstorm, and it's quite convenient and useful. I feel that it makes AI models more structured when they think, which is nice, because otherwise they tend to simply "infer" the output and conclusion solely based on the tendency of the context and the input.

Basically, it helps to get better prompts for LLMs without me spending a lot of time on it. Worth a try.

[Grigore Rosu @RosuGrigore]

https://t.co/0Iu03ZZCFm

[XC (Xiaohong Chen) | π² @chenxiaohong]

@Sergey007S @fastxyz Good question! Verifiers do "off-network" checks that client wants to do. Verifiers are regular accounts who can sign a client's signed message, and validators check if sufficient signatures are collected. Quorum = 0 simply means that no verifier signature is required.

[XC (Xiaohong Chen) | π² @chenxiaohong]

Good tool + Bad skill = Bad UX. Optimizing skills over repeated benchmarks is a much better path than prompt folklore indeed.

[Fast @fastxyz]

skill-optimizer open-source repository:
https://t.co/nQWJ5uz2IV

[Grigore Rosu @RosuGrigore]

AI agents need super-fast super-cheap payments.

Neither blockchains nor traditional money rails can sustain what is coming.

Fast (@fastxyz) next gen infra for crypto is here, from Marc's @pmarca 's Alma Mater (UIUC).

[Fast @fastxyz]

Your AI agent can now buy things on Amazon while you're on the go.

No card. No login. No Amazon account needed.

Fund with USDC → tell it what you want → it orders it and sends you a tracking link

[XC (Xiaohong Chen) | π² @chenxiaohong]

No joke

[XC (Xiaohong Chen) | π² @chenxiaohong]

Earned $1.72 from $50 investment in 1 day.

[damian @Ovcd27]

We realized that the best things we can solve with @fastxyz tech are market inefficiencies. And we wanted to get something out in an extremely efficient manner.

So we built this in 72 hours. Hello World, PolyBonds! Hunt high probability events @Polymarket that are close to settling with a simple swipe (pretty much like on Tinder).

[Fast @fastxyz]

OmniSet is expanding support for one of the strongest ecosystems in Web3.

@solana assets will now move across OmniSet with unified liquidity, cryptographic guarantees, and sub 100ms finality!

This gives builders a faster and more flexible way to work across chains.

[Fast @fastxyz]

https://t.co/6Olco8tlrH

[XC (Xiaohong Chen) | π² @chenxiaohong]

Blockchains don't need to be fixed. They just need to be replaced.
🫳
🐴

[XC (Xiaohong Chen) | π² @chenxiaohong]

@atellix @RosuGrigore @CryptoHayes @keoneHD @MaelstromFund For blockchain systems and consensus, yes, but that's never been the point of the discussion. The more you are soaked in blockchain tech, the more confused you'll get. We are not fixing the blockchains. We are fixing The Issue itself, which is always Decentralized Payments.

[XC (Xiaohong Chen) | π² @chenxiaohong]

It's great pleasure to be on this exciting panel. Agentic payments and micropayments will put much higher demand on the throughput/TPS of crypto systems. Are we ready?

[House of ZK @HouseofZK]

This feature panel from Verifying Intelligence 3.0 breaks down why the new x4O2 payment standard is emerging as critical infrastructure for the agent-based economy and maps where zero-knowledge proofs extend X4O2 - enabling compliant yet privacy-preserving payments, verifiable identity without exposing sensitive data, and secure facilitator-free flows where trust is replaced by cryptography.

Featuring:
• @alicelingl, Host at @HouseofZK
• @0xThiru, DevRel Lead at @MetisL2
• @aurobindo_arman, Solutions Architect at @ZKVProtocol
• @bensepanski, CSO at @VeridiseInc
• @chenxiaohong, CTO at @pisquared

Watch the full panel to understand why x4O2 is becoming foundational for autonomous payments and the future AI economy: https://t.co/pb9R52CVYx

[XC (Xiaohong Chen) | π² @chenxiaohong]

A total ordering of all the transactions is NOT necessary for decentralized payments or preventing double spending. Crypto ≠ Blockchain.

[XC (Xiaohong Chen) | π² @chenxiaohong]

A global total ordering of all transactions is NOT necessary for decentralized payments or preventing double spending. Crypto ≠ Blockchains.

[XC (Xiaohong Chen) | π² @chenxiaohong]

Basically you get the best from both optimistic rollups and ZK rollups: low fees, instant finality, with the highest level of security.

[XC (Xiaohong Chen) | π² @chenxiaohong]

Pi Squared is offering real-time block verification at the math level: as secure as ZK but cheaper and more trustless.

[bread.mega @bread_]

Some light reading for nerds amongst you.

Mega will leverage Pi2 to have something akin to a multi-client implementation live day 1.

Complete list of chains in this category:
- Ethereum
- Solana
- MegaETH

Interesting.