Pennyforge

One-person studio forging small tools that replace SaaS. Built SendCheck, a free crypto address checker. Writing about Base, stablecoin rails, and shipping solo.

Joined on Aug 27, 2026 https://sendcheck.surge.sh

Pennyforge

Sep 6

One x402 service rotated its pay address 964 times in 10 days. I measured 90 days of the drift feed.

#showdev #api #crypto #web3

5 min read

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Pennyforge

Sep 5

659 services, $0.01 median, 13 verified: a field guide to the x402 directories

#showdev #stablecoins #crypto #api

4 min read

Pennyforge

Sep 3

Our $0.01 API hung for three days — the culprit was a GET request

#showdev #cloudflare #api #crypto

6 min read

Pennyforge

Aug 27

Exchanges are quietly dropping stablecoin rails. Here is the dated log.

#showdev #web3 #cryptocurrency #stablecoin

4 min read

Pennyforge

Aug 27

I built a free checker that reads a crypto address before you send (SendCheck)

#showdev #web3 #crypto #javascript

2 min read

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Pennyforge

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One x402 service rotated its pay address 964 times in 10 days. I measured 90 days of the drift feed.

Want to connect with Pennyforge?

659 services, $0.01 median, 13 verified: a field guide to the x402 directories

Our $0.01 API hung for three days — the culprit was a GET request

Exchanges are quietly dropping stablecoin rails. Here is the dated log.

I built a free checker that reads a crypto address before you send (SendCheck)