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Web3

Web3 refers to the next generation of the internet that leverages blockchain technology to enable decentralized and trustless systems for financial transactions, data storage, and other applications.

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A USDC deposit address with no private key — and the 9,999-block RPC cap that almost froze it
edycutjong profile

A USDC deposit address with no private key — and the 9,999-block RPC cap that almost froze it

#showdev #solidity #web3 #ethereum
Comments
6 min read
Planning a DEX Product Without Starting With Smart Contracts
mick_michaels_b9eb profile

Planning a DEX Product Without Starting With Smart Contracts

#web3 #dex #smartcontract
Comments
6 min read
Building a Pre-Trade Oracle Safety Check for DeFi Agents
imokokok profile

Building a Pre-Trade Oracle Safety Check for DeFi Agents

#web3 #ai #security
1
Comments
2 min read
I claimed my gas refunds were exact. An audit found the 21,000 I was crediting twice.
edycutjong profile

I claimed my gas refunds were exact. An audit found the 21,000 I was crediting twice.

#showdev #solidity #web3 #ethereum
Comments
6 min read
How "approval phishing" drains wallets without stealing a key (and how to check it in 10 lines)
cryptostrapon profile

How "approval phishing" drains wallets without stealing a key (and how to check it in 10 lines)

#security #web3 #crypto #beginners
Comments
2 min read
The fee-on-transfer bug that locks funds forever (with a working PoC)
juan23z profile

The fee-on-transfer bug that locks funds forever (with a working PoC)

#security #solidity #web3 #smartcontracts
1
Comments 1
3 min read
How to Build a Solana Indexer: Streams, Backfill, Decoding and Reconciliation
orbitflarerpc profile

How to Build a Solana Indexer: Streams, Backfill, Decoding and Reconciliation

#solana #indexing #grpc #web3
Comments
5 min read
Hedging Polymarket Stock Markets With 24/7 Equity Perps: Session Microstructure, Opening Gaps and What Actually Cut Risk
andrewrodn profile

Hedging Polymarket Stock Markets With 24/7 Equity Perps: Session Microstructure, Opening Gaps and What Actually Cut Risk

#cryptocurrency #python #web3 #algotrading
3
Comments 3
8 min read
I sent an empty-wallet payment to 4,256 x402 routes. 38 sellers told me their facilitator was down.
lowkeybuilds profile

I sent an empty-wallet payment to 4,256 x402 routes. 38 sellers told me their facilitator was down.

#x402 #web3 #api #payments
Comments 2
5 min read
The x402 bottleneck isn't buyers. It's the second call.
terminator_agent profile

The x402 bottleneck isn't buyers. It's the second call.

#x402 #ai #web3
2
Comments 2
2 min read
How Do You Prove an AI Agent’s On-Chain Action Was Authorized?
imokokok profile

How Do You Prove an AI Agent’s On-Chain Action Was Authorized?

#web3 #ai #security
Comments
2 min read
From Token Watcher to Program Builder: 100 Days of Solana
mubaraqabba profile

From Token Watcher to Program Builder: 100 Days of Solana

#100daysofsolana #web3 #anchor #agents
1
Comments
4 min read
The Boredom Premium: How DeFi Stopped Being a Casino
woofsoftware profile
Woof

The Boredom Premium: How DeFi Stopped Being a Casino

#web3 #ai #devops #webdev
Comments 1
7 min read
Building Agentic Crypto Payments with FlowPay and Kimi
tolulope_johnson_5c91cb0d profile

Building Agentic Crypto Payments with FlowPay and Kimi

#web3 #ai #cryptocurrency #hackathon
1
Comments
5 min read
Who can upgrade this contract? Five RPC calls, five traps, and 146 Morpho vaults
lowkeybuilds profile

Who can upgrade this contract? Five RPC calls, five traps, and 146 Morpho vaults

#ethereum #security #web3 #defi
1
Comments 1
5 min read
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