---
title: "Esteban Fuster Pozzi (estebanrfp) (@estebanrfp) | Hashnode"
description: "Full Stack Developer - dWEB R&D. Read the latest articles by Esteban Fuster Pozzi (estebanrfp) on Hashnode."
url: "https://hashnode.com/@estebanrfp"
---

@estebanrfp

# Esteban Fuster Pozzi (estebanrfp)

@estebanrfp · Valencia, España · Joined November 2025

Full Stack Developer - dWEB R&D

[Website](https://estebanrfp.com/)

### [A Private Messenger With No Server Anywhere: What One P2P Graph Database Can Carry](https://genosdb.com/serverless-p2p-encrypted-messenger?utm_source=hashnode&utm_medium=feed)

dMessenger: identity, groups, sealed keys, governance and message lifetimes on a single GenosDB graph — no relays holding messages, no server in the data path, and a test suite that proves it

13 min read · [genosdb.com](https://genosdb.com/serverless-p2p-encrypted-messenger?utm_source=hashnode&utm_medium=feed)

[Sep 22](https://hashnode.com/posts/serverless-p2p-encrypted-messenger/6ab275e586c5061811c2af0d)

### [There Is No Server to Audit — GenosDB's Security Audit, and What It Confirmed](https://genosdb.com/p2p-database-security-audit?utm_source=hashnode&utm_medium=feed)

What an audit means when authorization lives on every device, how a closed-source engine can still be checked line by line, and why the best result of this run was a design that answered for itself.

11 min read · [genosdb.com](https://genosdb.com/p2p-database-security-audit?utm_source=hashnode&utm_medium=feed)

[Sep 20](https://hashnode.com/posts/p2p-database-security-audit/6aaf3df1cddbb9ae965f5bf6)

### [SQLite WASM vs GenosDB: Real Benchmarks on a 200k-Relation Dataset](https://genosdb.com/sqlite-wasm?utm_source=hashnode&utm_medium=feed)

Dropping sqlocal, the COOP/COEP headers and 12 MB of downloads from a real app — with byte-identical query results, 5 to 100 times faster.

8 min read · [genosdb.com](https://genosdb.com/sqlite-wasm?utm_source=hashnode&utm_medium=feed)

[Sep 14](https://hashnode.com/posts/sqlite-wasm/6aa831847eb64a272d66bfd1)

### [PouchDB vs GenosDB: Offline-First Is Not the Same as Serverless](https://genosdb.com/pouchdb?utm_source=hashnode&utm_medium=feed)

PouchDB syncs beautifully — with a CouchDB server you deploy and pay for. What changes when the server is the thing you are trying to remove.

10 min read · [genosdb.com](https://genosdb.com/pouchdb?utm_source=hashnode&utm_medium=feed)

[Sep 14](https://hashnode.com/posts/pouchdb/6aa82e9b55cc7d5209d39250)

### [Automerge vs GenosDB: The Price of Keeping Every Version](https://genosdb.com/automerge?utm_source=hashnode&utm_medium=feed)

Automerge keeps the full history of every change — a real capability with a real invoice: memory, a 45 MB WebAssembly package, and a sync layer that has never left alpha.

10 min read · [genosdb.com](https://genosdb.com/automerge?utm_source=hashnode&utm_medium=feed)

[Sep 14](https://hashnode.com/posts/automerge/6aa8121f24584c40f7072bbd)