Stellar Hack+ | Buenos Aires 2025

Spend without Selling — Crypto-backed Payments

Most traditional secret knowledge has been passed down quietly through generations

Meet.XLM is a Stellar-native protocol that uses Soroban Smart Contracts and Zero-Knowledge Proofs (ZK-Proofs) to provide private, verifiable engagement data.

Astro Shiba democratiza la creación de tokens en Stellar: cualquiera puede lanzar y comerciar activos con bonding curves rápidas, seguras y accesibles, impulsando comunidades y creadores en LATAM hacia la Web3.

Escrow Infrastructure for stablecoins

The Social Trust Graph for Web3

To be the simplest and most trusted entry point to Stellar, empowering anyone to learn, use, and convert digital assets effortlessly into real-world value.

Edu&Chain usa Stellar/Soroban para resolver la brecha de inclusión financiera. Convierte el mérito académico en Tokens Culby y NFTs verificables, gobernados por Multi-Firma. Prepara a estudiantes LATAM para la economía Web3 con transparencia y privacidad.

Resolvemos la desconfianza y lentitud en la cobranza de negocios con transparencia blockchain.

Ser la plataforma líder que impulse la inclusión digital y financiera de muchos negocios tanto a nivel local como en el País con soluciones accesibles para que puedan crecer automatizarse en la nueva economía digital y financiera

Slice is a fast, neutral dispute-resolution layer on Stellar. Users stake, review evidence, and vote to resolve cases. With game-theory incentives and verifiable randomness, Slice brings fair, trustless justice to any app using USDC or XLM.

The Simple Fund solves the bureaucracy, high costs, and lack of liquidity in receivables funds: today it is expensive, slow, and opaque to advance receivables, and investors are locked in with no real secondary market.

Vaquita helps you build the habit of saving in a fun way

Solving fundraising issues with blockchain

"Inflation destroys savings in LatAm. Blocki fights back by allowing anyone to invest in real estate starting at $1 via Stellar. We provide instant, liquid, and borderless property ownership for the 99%, finally breaking the $100k entry barrier."

Resolvemos la desconfianza y lentitud en la cobranza de negocios con transparencia blockchain.

Vinifica brings truth to every bottle. By securing provenance and authenticity on Stellar, wineries track their lots immutably, prevent fraud, and sell globally with trust. A transparent, efficient ecosystem for premium wine.

A regenerative finance protocol for humanity. Report, Clean, Verify and had fun.

Startups create real outcomes every day, but there’s no simple way to turn them into publicly verifiable credentials. If a startup disappears, the proof disappears too like OnlyDust. ACTA ensures every outcome stays verifiable, forever.

GrantFox solves the lack of a unified place where Stellar builders and projects meet. Talent has no clear way to showcase contributions, and projects lack users to test features, give UX feedback, and be rewarded via structured tiers and escrows.

ArcusX empowers Latin America by creating a Web3 freelancing platform with fair fees, instant crypto payments, and global access to digital jobs.

Develops the first Stellar-native social authentication SDK to help developers integrate gasless Web2-like onboarding in <8 minutes vs 4+ hours.

Crypto adoption in LatAm is stuck: institutions can’t meet compliance without exposing users, and users refuse to onboard without privacy. InZpeKtor enables ZK Clean Hands verification and on-chain reputation with full data protection.

To finance research and decentralize the rights of science in every corner of Latin America.

To establish a secure, reusable identity verification layer for Stellar that eliminates redundancy and strengthens data protection.

Ser la plataforma financiera que convierte el uso diario del dinero de los jóvenes en aprendizaje, ahorro y crecimiento real de su poder adquisitivo.

VisionMe is an savings application: a habit-building platform guided by an avatar representing the user’s Future Self, built on the Stellar network, with Soroban smart contracts that automate micro-savings in a secure, transparent, and efficient way.

To build a human-centered financial ecosystem where anyone with a smartphone can send, receive, and access digital money in seconds—empowering local businesses, strengthening community economies, and making financial inclusion effortless for all.

Decentralized and private dispute resolution system

Our vision is to combat gambling addiction through a controlled, no-loss ecosystem that empowers users to send, save, and wager with zero financial risk.

Public blockchains expose all business transactions. Sincerin Protocol encrypts Stellar token transfers, making corporate financial activity private and untraceable using advanced cryptography.

Technical and legal infrastructure. Spectra allows users to verify their identity only once and use that verification across any anchor or service within Stellar through zero-knowledge proofs, eliminating friction, repetition, and data exposure.

ASTRA protects anchor operations on Stellar with zero-knowledge technology while maintaining regulatory compliance

Our vision is to become the default Self-Sovereign Pension Protocol for the emerging world.

BeEnergy es una plataforma cooperativa Web3 que democratiza el acceso a energía solar mediante blockchain Stellar.

DeFi lending/borrowing protocol and liquidity layer for RWAs.

Trala Contracts democratizes access to Web3 by eliminating the technical programming barrier. Our vision is that anyone, regardless of their technical background, can create and deploy smart contracts in minutes.

Most small and mid-size companies in Latin America lack clear, objective performance data, so workers don’t see a transparent link between effort and rewards. Harmony connects real-world performance to fair, recurring on-chain rewards on Stellar.

ZCore is the global credit reputation layer that lets cross-border workers access fair, privacy-preserving credit, while enabling banks, fintechs and Web3 protocols to safely grow lending, reduce collateral and unlock idle liquidity.

Make payroll frictionless and dependable, using blockchain automation and smart yield mechanics to protect companies and empower employees.

Illustrators pay large commissions on the websites where they upload their art, and buyers need to compromise their privacy in order to purchase the art they want or need.

Queremos un ecosistema donde cada evento, cada taller y cada contribución deje una huella verificable que te pertenezca. SPOT apunta a que los badges no sean solo recuerdos, sino piezas reales de reputación y trayectoria dentro de Stellar.