Tommaso De Ponti

2025

22/02/2025

Understanding vTPM+TDX Attestation and Quoting Through the TSM ABI 📗

This article is aimed at anyone that wants to understand how the vTPM<>TDX combined attestation works. Additionally, I talk a bit about using the ABI exposed by the Trusted Security Modu...

30/01/2025

Stellar And MeV: Deep Dive into Optimal Tx Ordering, Censorhip, and Eclipse MeV copy 📗

In this article I expand a bit more about my new MeV + node behavior verification proposal by demistifying the PoW-based hashing attack vector for optimal ordering.
MeV has alwa...

2024

11/12/2024

The First Modular Confidential VM Network Implementation is Here 📗

I've recently been introduced to the world of trusted execution environments (TEEs), mainly around the topic of confidential virtual machines (CVM). Dstack is pretty much the only design...

06/11/2024

Guest Level Opt In Reentrancy On The Soroban Virtual Machine? 📗

TLDR I just opened a core PR to add opt-in reentrancy to Soroban. Calling all developers to discuss this! # Back Story and Proposal I kind of always gave for granted that Soroban would...

05/11/2024

One Step Closer To DeFi: New Horizons and Why I Started Adding Protocol Utilities In Zephyr copy 📗

Soroban needs to grow, let's accelerate that. # Preamble I think that anyone who is in the Soroban ecosystem right now notices that we're undergoing a stagnant situation. The tech is g...

04/11/2024

My Meridian 2024 Talks Recap 📗

TLDR this is the recap of my two Meridian talks. #Meridian2024 was actually the first Meridian I could attend, but the wait for meeting irl the folks I worked with for the last years wa...

15/10/2024

Meridian 2024 SVM Talk Technical References 📗

If you've made it to this post, it likely means that you are interested in the more technical aspect of my [Meridian 2024](https://meridian.stellar.org) talk about the soroban virtual ma...

19/08/2024

Proposing a Safe On Chain Actions Standard through Smart Wallets 📗

In a [recent post](https://blog.xycloo.com/blog/blend-bot-with-zephyr-and-smart-accounts), XyclooLabs showed a proof-of-concept for using smart accounts for on-chain actions deployed on ...

2023

22/09/2023

Going through Stellar Mainnet whole History with rs ingest copy 📗

For those who do not know it, I've been working on a rust crate that allows for custom ingestion from a stellar core captive process. The crate is [rs-ingest](https://github.com/xycloo/r...

2/10/2023

Update 1: Soroban Zig sdk 📗

I recently started learning Zig and as commitment to learning this language, which seems ergonomic and pretty close to Rust in terms of syntax, I started building a soroban SDK for it. ...

Jan 16, 2023

Testing the first working version of Soroban Analyzer 📗

Hey there! It's been a couple of months since I wrote here. But I'm back with an interesting hands-on article about using [Soroban Analyzer](https://github.com/xycloo/soroban-analyzer)...

2022

events()

Playing with Soroban events 📗

handle in the environment that allows us to publish events. In this post we'll explore how to publish events, why a contract would publish one, and how to read...

Rock paper scissors betting smart contract 📗

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Soroban advanced auth on the CLI 📗

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Now Also Markdown Here 📘

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Soroban commit reveal hashing scheme 📗

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Soroban Dutch Auction Smart Contract 📗

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Soroban CLI basics: deployment and playing with invocations 📗

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Soroban offices game smart contract 📗

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Lottery smart contract with Soroban 📗

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Vault smart contract with Soroban 📗

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RustWASM: receive js (nested) arrays as parameters 📗

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Personal notes on Elliptic curve pairings 📘

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Zokrates+Rust+WASM: personal notes on verifying zokrates built proofs with rustwasm 📘

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Rust: Groth16 Proof Verification From Scratch 📘

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Rust: wasm with no std allocator 📗

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How I built this blog 📗

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