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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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How AI agents pay for APIs per call with x402 (and where they find them)

How AI agents pay for APIs per call with x402 (and where they find them)

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4 min read
Allowlists Are Not Spending Caps: Two Different Security Properties, Often Confused

Allowlists Are Not Spending Caps: Two Different Security Properties, Often Confused

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4 min read
"The second most expensive x402 mistake: treating verify as settlement"

"The second most expensive x402 mistake: treating verify as settlement"

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3 min read
"The fourth most expensive x402 mistake: paying without a spending policy"

"The fourth most expensive x402 mistake: paying without a spending policy"

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4 min read
925 signed up, 7 got paid: the 4-endpoint check I run before trusting any agent platform

925 signed up, 7 got paid: the 4-endpoint check I run before trusting any agent platform

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3 min read
One key for an agent's tool calls: a prepaid USDC balance on an MCP connection

One key for an agent's tool calls: a prepaid USDC balance on an MCP connection

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1 min read
The third most expensive x402 mistake: retrying a payment that already succeeded

The third most expensive x402 mistake: retrying a payment that already succeeded

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3 min read
ERC20 Edge Cases Every Smart Contract Engineer Should Know

ERC20 Edge Cases Every Smart Contract Engineer Should Know

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9 min read
Blockchain Isn't About Crypto. It's About a Trust Problem You Didn't Know You Had.

Blockchain Isn't About Crypto. It's About a Trust Problem You Didn't Know You Had.

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4 min read
ERC-3643 vs ERC-1400: How to Choose a Standard for Tokenized Instruments

ERC-3643 vs ERC-1400: How to Choose a Standard for Tokenized Instruments

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14 min read
Taking USDT Payments with Taccoin: Payment Requests, Watch-Only Wallets and Receipts

Taking USDT Payments with Taccoin: Payment Requests, Watch-Only Wallets and Receipts

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2 min read
ChainIT Launches Biometric Organizational MPC Wallets for Web3

ChainIT Launches Biometric Organizational MPC Wallets for Web3

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2 min read
We Built a Microstructure-Gated Hedger for Polymarket: Here is What 250+ Real Market Backtests Taught Us

We Built a Microstructure-Gated Hedger for Polymarket: Here is What 250+ Real Market Backtests Taught Us

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10 min read
"Four suppliers, real USDC, no accounts: the full results of our x402 GPU test"

"Four suppliers, real USDC, no accounts: the full results of our x402 GPU test"

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3 min read
Web3: The "Ghost Chains" Problem and the Token Bubble

Web3: The "Ghost Chains" Problem and the Token Bubble

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2 min read
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