Low Key Builds

Low Key Builds

Oct 14

I measured the 402 header of every x402 seller in the Coinbase Bazaar. 156 can't be read by aiohttp, 4 break Node

#x402 #api #python #node

3 min read

Low Key Builds

Oct 14

I re-checked 516 startup launch directories from 11 GitHub lists: 66 are dead or moved, and "free" often isn't

#startup #saas #marketing #webdev

3 min read

Low Key Builds

Oct 14

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

#x402 #web3 #api #payments

5 min read

Low Key Builds

Oct 14

I checked the email DNS of 68 Shopify stores: 63 send order emails without domain authentication

#shopify #email #dns #webdev

3 min read

Low Key Builds

Oct 14

Your Codex logs already contain your quota meter: how to check where your usage went

#codex #ai #productivity #opensource

3 min read

Low Key Builds

Oct 13

I decoded every failed transaction in 40 Ethereum blocks and 150 Base blocks. Here is why they fail.

#ethereum #web3 #blockchain #debugging

4 min read

Low Key Builds

Oct 13

How email verifiers work (SMTP RCPT in 60 lines of Node), and why they fail on 56% of startups

#email #node #webdev #ai

4 min read

Low Key Builds

Oct 13

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

#ethereum #security #web3 #defi

1

5 min read

Low Key Builds

Oct 13

Who holds the keys to Base's top 250 tokens? An on-chain check

#ethereum #web3 #security #blockchain

3 min read

Low Key Builds

Oct 13

I crawled all 31,620 x402 Bazaar listings: most have one payer, and boring chain reads win

#x402 #web3 #ai #api

4 min read

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I measured the 402 header of every x402 seller in the Coinbase Bazaar. 156 can't be read by aiohttp, 4 break Node

I re-checked 516 startup launch directories from 11 GitHub lists: 66 are dead or moved, and "free" often isn't

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

I checked the email DNS of 68 Shopify stores: 63 send order emails without domain authentication

Your Codex logs already contain your quota meter: how to check where your usage went

I decoded every failed transaction in 40 Ethereum blocks and 150 Base blocks. Here is why they fail.

How email verifiers work (SMTP RCPT in 60 lines of Node), and why they fail on 56% of startups

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

Who holds the keys to Base's top 250 tokens? An on-chain check

I crawled all 31,620 x402 Bazaar listings: most have one payer, and boring chain reads win