callsheet.predictions for hackathons
round 01
callsheet · Solana Frontier Hackathon

Projects.

2,858 projects.

RektoFun

Consumer Apps

RektoFun is the first PvP battleground for predictions Transforming passive prediction markets into competitive, social, and community driven experiences. Users can create challenges around crypto and sports, compete head-to-head, join multiplayer pools, participate in clan wars, and earn rewards by backing their convictions. Built on Solana, Rekto.fun combines prediction markets, gamified finance, and SocialFi into one interactive ecosystem where the only goal is to win.

RelAI

Payments & Remittance

RelAI is the stablecoin payment stack for the open internet. Two rails: x402 for per-call USDC settlements across Solana, Base, SKALE and 6 more chains, and a Solana-native private rail with three flows (one-time codes, shielded links, payment requests). A native cross-chain bridge lets users pay on one chain and receive on another. Built for agents, businesses, and peer-to-peer transfers.

Relay Finance

DeFi

Relay is the private institutional liquidity layer for Solana. We are unlocking the billions in "Locked Capital" currently trapped in private SAFTs, SAFEs, and vesting contracts. By combining the throughput of Solana with the discretion of traditional finance, Relay enables high-volume trades with total price privacy and zero MEV. We utilize MagicBlock TEE-powered rollups and BOLT ECS to shield sensitive deal terms while maintaining atomic, public settlement on the mainnet.

Relic

Payments & Remittance

Relic is a smart-contract-powered dead man's switch on Solana. Users set an inactivity timer and designate beneficiaries. If they stop checking in, everything they configured — assets, encrypted messages, private files — automatically transfers to exactly the people they chose. No lawyers, no courts, no middlemen. Just code that keeps its promise forever.

ReLife

Consumer Apps

ReLife is a gamified productivity app that turns your daily tasks into real-life progress. Earn XP, level up, and improve your life stats across six areas while staying consistent. With AI guidance, achievements, and a clean design, ReLife helps you build habits and grow without overwhelm.

Remiq

Payments & Remittance

Remiq is a simple stablecoin remittance app on Solana. Users can sign in with email, get a Privy embedded wallet, receive funds by QR, send stablecoins to other users by email, and cash out through a guided flow. It supports devnet USDC for testing and mainnet Palm USD (PUSD) for real Solana payments.

RemitChain

DeFi

RemitChain lets Nigerians abroad send money home in under 2 minutes for 0.5% — 20x cheaper than Western Union. The sender pays with an email login, our AI finds the best naira rate instantly, and the recipient gets an SMS link to claim their cash. No crypto wallet needed on either side. We also let businesses pay entire Nigerian remote teams in one Solana transaction with auto-generated payslips.

RemitSol

Payments & Remittance

Stablecoin remittance rails on Solana — send money from anywhere in the world to a phone in Pakistan in under 5 seconds for fractions of a cent. A mobile-first PWA that uses USDC and Solana's 400ms settlement to replace Western Union for the $30B Pakistani remittance corridor.

RemitX

Payments & Remittance

RemitX is a 100% FREE cross-border remittance MVP built on Solana Devnet. It enables users to send USDC remittances instantly with zero platform fees. Key features: - Send USDC to wallet addresses or phone numbers - Claim remittances instantly - QR code generation for easy sharing - Phantom wallet integration - Mock fiat on-ramp for demos Built with Next.js, Anchor (Rust), and Solana Devnet. Perfect for hackathons and MVP demonstrations.

Remlo

Payments & Remittance

Remlo is the payment layer for the agent economy. AI agents pay each other, hire human workers, and build portable on-chain reputation as a byproduct of every transaction. Three primitives: stablecoin payroll, LLM-judged escrow with permissionless settlement, cross-chain reputation via SAS and ERC-8004. Live on Solana devnet and Tempo testnet today. MPP-gated APIs mean agents transact without API keys, accounts, or signup flows. Traction at https://remlo.xyz/traction

Rentl

Marketplace Platforms

Rentl turns any physical or digital surface into marketplace-ready ad inventory. T-shirts, pitch decks, billboards, house walls if it has a surface, it has a price. Sellers list spaces, set a floor price, and let the market decide what visibility is worth. Buyers bid in USDC, and settlements happen on Solana. No middlemen, no rate cards just open auctions for attention. Our first live auction: the t-shirt worn on stage at Demo Day, Startit Belgrade.

Replay

Developer Infrastructure

Replay is a time-travel debugger for Solana. Paste any mainnet transaction signature -- Replay fetches the exact account state at that slot via Helius, reconstructs it in a LiteSVM sandbox, and re-executes the transaction locally. You get a full CPI trace: every cross-program invocation, compute units, and IDL-decoded account fields. Fork the session, mutate any account, re-run, and diff. See exactly what changed and why. Available as a web UI, CLI, and published SDKs for TypeScript and R

ReplyDude

Consumer Apps

A social media automation that grows your social media presence for you

RepoRank

Token Launch / Tokenomics

RepoRank is a discovery and launch platform for open-source projects built around verified Git repositories. Inspired by platforms like Product Hunt, RepoRank helps developers gain visibility, grow communities, and raise funding around their projects using Solana-based tokens (markets). The platform includes project rankings, contributor reputation systems, launch tooling, and community discovery focused on surfacing high-quality open-source ecosystems rather than hype-driven speculation.

Repsolana

Identity & Privacy

RepSolana is a verifiable on-chain reputation passport for Solana. Connect your wallet to get a dynamic reputation score (0–100) based on your real on-chain activity — wallet age, transactions, staking, DeFi, and NFTs. Mint a soulbound (non-transferable) NFT that permanently records your reputation snapshot as a verifiable credential. Projects can integrate RepSolana to offer reputation-based perks like higher APRs, better lending terms, or exclusive access Your on-chain reputation, now portable

Reserved

ZK / Crypto Research

"Deep-tech architect focused on privacy infrastructure and state compression. I build zero-knowledge solutions that enable institutional-grade financial sovereignty on Solana through mathematical proof-of-ownership."

Resilient Token Protocol

DeFi

Supercharging Creator Fees A Solana-native, self-funding treasury protocol. Any token project adopts RTP — their trading fees route to a program-owned treasury that autonomously generates yield via Flash Trade on-chain perpetuals (CPI via invoke_signed, mainnet-proven) and redistributes it back to the project and holders (70/20/10 on-chain split). Funded by its own yield, forever. No RTP token. Pure infrastructure.

ResolvRapido - Forensic RWA Infrastructure

DeFi

ResolvRapido is a Forensic TaxTech infrastructure that automates tax credit recovery with institutional-grade security. Our engine (v6.1.1) processes massive fiscal datasets (SPED/EFD) using SHA3-512 and HMAC-SHA512 hashing to create immutable audit trails. We bridge the gap between complex tax litigation and immediate liquidity by transforming audited credits into liquid Real World Assets (RWA) on Solana. Backed by SRS Legal (Start Lab), we provide a "Trust Layer" for CFOs and investors through

RESONA

Wallet Infrastructure

Resona is a full‑stack MVP designed to showcase the future of voice‑driven interaction with decentralized finance. Built on the Solana blockchain, Resona empowers users to connect their wallet, speak or type natural language commands, and seamlessly execute or simulate crypto actions in a safe, transparent, and beginner‑friendly environment. The project is conceived as a hackathon‑ready demo that feels like a premium fintech dashboard rather than a prototype, combining real UI, backend logic, an

Restraint Protocol

Consumer Apps

Restraint Protocol is a decentralized commitment system that helps users stay focused by staking value on their productivity. AI predicts behavior, while on-chain logic enforces discipline through rewards and penalties, turning focus into a verifiable, accountable asset.

Retake.tv

AI Platforms / Agents

Retake.tv is the first AI agent streaming platform. Let your agent learn the skill to start a stream, create enjoyable content, interact with the chat and more. Agents can earn from trading fees of their token and tips from audience. We are built to be agents first, ready for new forms of streaming content created by agents, not just mimicking human activity. Currently supports OpenClaw and ElizaOS.

Retina

Consumer Apps

Retina is a local first portfolio layer for self custody users. It turns wallet data from DeBank, Jupiter, Polymarket, metals, and custom positions into clean snapshots with yield, maturities, protocol exposure, risk scores, and history. Simple enough for new users, complete enough for complex DeFi farmers.

Revifi

Payments & Remittance

Revifi as a platform for creators on apps like Instagram and YouTube where they can get paid instantly from global brand deals using fast blockchain payments through Solana and Dodo Payments. Instead of waiting 30–60 days for payments, they can access their money early as an advance. All their earnings are managed in one place, across currencies, and the contracts between creators and brands are also created directly on our platform using smart contracts so payments are secure and automatic.

RevolutionPad

Token Launch / Tokenomics

RevolutionPad is a non‑custodial Solana launchpad that encodes access fairness, transparency and trust directly on‑chain. It sets clear standards for what investors can expect from legitimate founders while helping teams raise safely. A ticket‑based initial distribution replaces click‑race launches. Designed for creators who build and investors who stay.

RevShare

Real World Assets (RWA)

RevShare is a Solana-based revenue-sharing platform for small businesses. With the support of SuperTeam KZ.

RevTec.fi

DeFi

RevTec enables direct value accrual from Solana’s on-chain economy. Creating two liquid staking tokens, revSOL and issSOL, separates value accrual from Solana's transaction fees and issuance yield, respectively. As more transaction fees are spent on the Solana blockchain, the value of revSOL increases at an accelerated rate. Or, by holding issSOL, stakers earn a more stable yield from SOL issuance, which decreases over time.

Rewynd Protocol

DeFi

Rewynd is building Synthetic World Markets: AI-powered, time-compressed market environments where users can trade through dynamic simulations shaped by synthetic news, autonomous agents, and real market mechanics. We aim to create a new financial primitive at the intersection of finance, simulation, and AI.

Rexy

AI Platforms / Agents

Rexy AI is a real-time, AI-driven security auditor for Solana smart contracts. It identifies vulnerabilities, logic flaws, and gas inefficiencies with deep static and behavioral analysis. Unique to Rexy, every audit generates a cryptographic proof recorded on-chain via Solana Memo protocols, ensuring immutable, verifiable security claims and stake. Featuring a security copilot and live exploit feed, Rexy makes professional-grade auditing scalable and transparent.

REZ

Gaming Infrastructure

REZ is a new game distribution platform designed to fix broken incentives in gaming, aligning developers, players, and creators into a single growth engine.

Rhemify

AI Platforms / Agents

The verifiable payment layer for agentic commerce. Route. Govern. Verify.