Rajat Saxena

Full Stack Blockchain Engineer | @MarlinProtocol
Ex-@0xPolygon💜 | @unifarm_ | @SwixDAO
Cool & Calm😎
🇮🇳

[Qasara Labs @QasaraLabs]

if you want the outside take on what StrategyForge actually does, @cantonnews_org explained it here👇

https://t.co/eSBCY89DIB

[Qasara Labs @QasaraLabs]

Setting up an automated trading agent on @CantonNetwork takes about four clicks now.

We’re letting people into the pilot here: https://t.co/rM9bsfR4Pk

[Excellar Finance @excellarfinance]

Lend it, swap it, or just hold it.

@cantonnews_org on what’s new for USDXLR on Canton👇

[Canton Network @CantonNetwork]

Usage > Speculation.

https://t.co/WUpZq0rpZZ

[Excellar Finance @excellarfinance]

A digital dollar is only as useful as the places it can go.

USDXLR’s latest: @AlpendHQ, a private money market on @CantonNetwork.

[Excellar Finance @excellarfinance]

Another venue for USDXLR on @CantonNetwork.

The USDXLR / CC pair is now live on @Oneswapcc.

[OneSwap @Oneswapcc]

USDXLR is now live on OneSwap 🟢

@excellarfinance ’s digital dollar: backed by US Treasury bills, T+0 settlement, built as a bridge to traditional finance.

Now on Canton’s most accessible DEX.

Pair: USDXLR / CC

You can start swapping now👇

[Qasara Labs @QasaraLabs]

Your rules. Your limits. Your keys.

Our agent just does the boring part.

StrategyForge is now live, trading on @temple_ny, @tradecraftfi and @Cantex_io, with more venues on the way.

Grab a pilot spot: https://t.co/rM9bsfR4Pk

@CantonNetwork @CantonFdn

[Qasara Labs @QasaraLabs]

StrategyForge lands tomorrow ⚡

Automated agentic trading on Canton... you set the plan and the limits, your agent does the rest.

Join the pilot: https://t.co/rM9bsfR4Pk

@CantonNetwork @CantonFdn

[Pragya Singh @SheHodlss]

type of shit @rajatlko13 pulls out when the company refuses to give me an iPad 😭

[Rajat Saxena @rajatlko13]

@SheHodlss

[Qasara Labs @QasaraLabs]

Find out more at https://t.co/dokbIFWVFi

@CantonNetwork @CantonFdn

[Rajat Saxena @rajatlko13]

@siuuudhanshu

[Rajat Saxena @rajatlko13]

@fuzious18 🙇🙌🫡

[Jess @0xjesstech]

Smart contracts are supposed to be immutable.

So how do protocols ship updates?

How upgradeable smart contracts actually work (and why you should be careful with them) 🧵

[RustyChains @RustyChains101]

Solidity Interview Q: What quirks does the Tether stablecoin contract have?

Tether (USDT) is not a vanilla ERC-20. It has several non-standard quirks that have bitten protocols more than once

Major USDT quirks

1. transfer / transferFrom may not return bool
- Old USDT versions return nothing
- Violates ERC-20 spec
- Contracts assuming bool == true can break
That’s why many integrations use SafeERC20

2. Centralized control (admin powers). Tether can:
- freeze addresses
- blacklist users
- seize funds
- upgrade logic (proxy-style)
From DeFi’s perspective: counterparty risk is real

3. Non-standard approve behavior (historically)
- Required allowance to be set to 0 before changing it
- Same old ERC-20 allowance race condition, but enforced more strictly

4. transferFrom can succeed but move less than expected
- Fees / blacklisting can interfere
- Always verify balance deltas, not assumptions

5. Contract upgrades across chains
- Different implementations on Ethereum, Tron, etc.
- Behavior is not guaranteed identical cross-chain

6. Not fully ERC-20 compliant by design. USDT prioritizes:
- backward compatibility
- centralized controls
over strict standard compliance

Never assume ERC-20 compliance. Always:
- use SafeERC20
- check balances before/after
- handle non-returning tokens

[Vitto Rivabella @VittoStack]

Create 8004 and x402 v2 AI agents on Solana in 1 minute!

Announcing: New create-8004-agent update ✨

Here's what changed:
- New official name: "create-8004-agent"
- Support x402 v2 and @solana
- Support for verified metadata
- Enabled A2A streaming support

[Shieldify Security @ShieldifySec]

List of Some Attack Vectors/Smart Contract Vulnerabilities!

- Reentrancy
- Reentrancy via Modifier
- Read-Only Reentrancy
- Cross-Function Reentrancy
- Cross-Contract Reentrancy
- Front-Running
- Front-Running - Unprotected withdraw
- Front-Running - Sandwich attack
- Front-Running - ERC20 approval
- Front-Running - Signatures
- Back-Running
- Flash-Loan Governance Attack
- Flash-Loan Price Attack
- Denial Of Service (DOS) by complex fallback function
- Denial Of Service (DOS) by gas limit
- Denial Of Service (DOS) by non-existent address or malicious contract
- Floating Point Arithmetic
- ECDSA Signature malleability
- ECDSA Signature replay
- Replay Attack
- DAO Attacks
- Price Oracle Manipulation
- Cross-Chain Bridge Manipulation
- Initial Supply Mint Issue
- Divide before multiply
- Unchecked External Calls
- Integer Underflow
- DeFi Slippage attack
- Amplification Attack Double Spending
- Malicious Honeypot
- Unsafe Delegatecalls
- Loops Gas Limit
- Short Address/Parameter Attack
- Phishing With Improper Authorization
- Unexpected Ether With Forcibly Sending Ether
- Block timestamp Manipulation
- Unchecked return values
- Insecure Randomness
- Proxy Storage Collision
- Strict equalities
- Timestamp Dependence
- Use of Deprecated Functions
- Requirement Validation
- Business logic
- Absent modifiers
- Force Feeding
- Gas Limit Exhaustion
- Rounding Down To Zero

What are we missing?

[The Better India @thebetterindia]

From borrowed gear to breaking barriers, India’s women ice hockey players have carved their legacy on frozen ponds.

In the biting cold of Ladakh, where the ice was cracked and the support even thinner, they laid down their own rink, one midnight layer at a time. They were mocked, sidelined, and told to quit, but they didn’t just stay. They scored.

Now, with a bronze at the IIHF Asia Cup, their skates have etched a new chapter in Indian sport—one built on grit, defiance, and generations of quiet revolution.

Swipe to witness the fire beneath the ice >>>

@lwihf2015

#IceHockeyIndia #LadakhWomen #IIHFBronze #IndianWomenInSport #BreakingBarriers #LWIHF #WomenInIceHockey

[Lefteris Karapetsas @LefterisJP]

A big chunk of "decentralized" crypto is down right now because AWS sneezed.

Let that sink in.

If your infra collapses when Amazon has a bad day, maybe it's time to rethink your stack.

I’ve been preaching local-first, self-hosted tools for years.

Software like rotki keeps running, because you run it. Your machine. Your data. Your rules.

Get rotki: https://t.co/u2PTbOGaCg