Sempre

@masem

AI tools for businesses without enterprise budgets

AT AustriaJoined June 2025

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Founder of: https://masem.at?utm_source=hashnode https://tellingcube.com?utm_source=hashnode https://chainsights.one?utm_source=hashnode https://hoki.help?utm_source=hashnode

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Recently published

SSemprepaywatcher.hashnode.devMar 17 · 5 min read

How to Add x402 Payment Verification to Your API (USDC on Base)

The x402 protocol just made machine-to-machine payments real. Here's what the verification layer looks like. PayWatcher · March 2026 · 4 min read HTTP has had a status code sitting unused for 30 year

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SSempremasem.hashnode.devFeb 23 · 7 min read

Building a Context API for AI Agents: Goodbye GitHub Raw URLs

Every conversation with an AI assistant starts the same way: from scratch. If you're using Claude, ChatGPT, or any LLM for serious work – coding, product development, writing – you know the pain. You

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SSemprechainsights.hashnode.devFeb 3 · 1 min read

How healthy is DAO governance, really?

I spent the last months building a way to answer that question with data. Today I'm launching the Decentralized Governance Index (DGI) — the first curated benchmark for governance health across the Web3 ecosystem. Here's what we found analyzing 4...

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SSemprechainsights.hashnode.devJan 26 · 1 min read

We analyzed governance health across 10 major DAOs.

We analyzed governance health across 10 major DAOs. 4 of them had zero human participation. Optimism Safe Aave ApeCoin All scored "Critical" at 3.3/10. Meanwhile, Arbitrum shows 9.9/10 human participation… …but 85% of voting power is held by ju...

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SSempretellingcube.hashnode.devJan 25 · 5 min read

Why I Built a Synthetic Data Generator That Actually Reconciles

TL;DR: I got tired of spending hours building fake Excel data that clients immediately spotted as fake. So I built tellingCube – an event-sourced business data generator where Finance, Sales, and HR always match. Because they come from the same trans...

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Sempre's blogs

Recently published

How to Add x402 Payment Verification to Your API (USDC on Base)

Building a Context API for AI Agents: Goodbye GitHub Raw URLs

How healthy is DAO governance, really?

We analyzed governance health across 10 major DAOs.

Why I Built a Synthetic Data Generator That Actually Reconciles

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Sempre

About

Available for

Sempre's blogs

Recently published

How to Add x402 Payment Verification to Your API (USDC on Base)

Building a Context API for AI Agents: Goodbye GitHub Raw URLs

How healthy is DAO governance, really?

We analyzed governance health across 10 major DAOs.

Why I Built a Synthetic Data Generator That Actually Reconciles