callsheet.predictions for hackathons
round 01
callsheet · Colosseum Cypherpunk Hackathon

Projects.

1,574 projects.

Stacked

DeFi, Consumer Apps

Bringing traditional investments on chain! Invest simply and securely

Stacks

DeFi, Stablecoins, Undefined

For a Gen Z audience tired of slow, extractive, and outdated banking, STACK is a Web3-native investment application that makes growing wealth instant and accessible. By bypassing the need for a traditional bank account, STACK offers a direct on-ramp from fiat to stablecoins, embodying the principle of "money without borders" for a global, crypto-native generation. The platform combines a clean, modern financial tool with engaging social features like copy investing and user-curated baskets. At its core, STACK features a personalized AI CFO designed to build trust by protecting users from common financial mistakes, creating a safe environment for them to invest in stocks and ETFs with confidence and ease. The safe, fun, no-BS way for Gen Z to grow money without banks or crypto headaches.

StackSave

DeFi, Consumer Apps

StackSave is a daily staking platform designed to help users build consistent saving habits through automated crypto investments. By depositing funds in fiat or stablecoins, users allow AI agents to intelligently allocate their savings to the highest-yield opportunities available. The platform encourages daily engagement with reminders and streak-based incentives, making saving feel both rewarding and routine. StackSave offers two modes to suit different risk profiles: Lite Mode provides lower risk with modest returns, while Pro Mode offers higher potential gains with increased exposure. This flexible structure empowers users to choose a staking strategy that aligns with their financial goals and comfort level.

Staex Trusted Chain

RWAs

We equip German city buses with passenger-count sensors and reconcile daily ridership against fare revenue on Solana. At day’s end, the system auto-mints NFT invoices to pay fuel, taxes, bus rent, and maintenance, turning transit cashflows into transparent, tradable RWAs. This delivers auditable ops, faster settlement, and new financing for operators.

StageSync

Consumer Apps

Sync fan taps with stage effects and time-stamped data—live, verifiable, and low-latency on Solana.

StakeNova - Stake SOL Earn USDC

DeFi, Consumer Apps, Stablecoins

StakeNova: Making Staking Great Again. Staking on Solana is fragmented: creators must build their own infrastructure, delegators face clunky UX, and outside of CEXs there’s no unified hub for discovery. This limits adoption and prevents sustainable, engaging staking experiences. Meanwhile, users want more than simple yield they want growth, leverage, and consistent rewards. StakeNova introduces novaSOL, a new DeFi primitive. You hold SOL (1:1 novaSOL), and staking rewards are auto-converted into USDC. Smarter, resilient, and built to outperform LSTs even in bear markets. Stake SOL. Earn USDC. Stay liquid. Beyond novaSOL, StakeNova layers rewards through: StakeDrops (royalty airdrops), Referral Fees, Creator Fees, Shared platform yield in USDC, and Stardust (XP unlocking higher tiers). This multi-reward model preserves SOL while unlocking potentially the highest APYs on Solana a one-stop staking platform, retail-friendly, open, and creator-empowering.

stakepadi

Consumer Apps, Infrastructure, Stablecoins

Stakepadi Is global sports prediction marketplace where experts monetize their predictions.

StakerDotFun

DeFi, RWAs, Infrastructure

Staker.fun makes staking fun again. We turn boring 7% APY into a SocialFi game with quests, leaderboards, gated chats, and perks. Stake SOL natively or through LSTs, earn XP, unlock airdrops, and even split yield into stablecoins, RWAs, or donations. Transparent, provable, and community-driven — staking that actually feels alive.

Starke Finance

RWAs, Consumer Apps, Infrastructure

Starke Finance is building the bridge between traditional finance and DeFi. Based in San Francisco, we’re creating the tools to launch multi-asset, actively managed tokenized funds, similar to what traditional asset managers do with Private Funds, Mutual Funds, and even ETFs. Our platform will power third-party asset managers to run their funds natively on Solana, while we also build our own licensed asset manager to offer a wide range of products. These will cover different risk profiles, sectors, and hybrid portfolios combining digital assets with RWAs. We’ll also partner with tokenization issuers to bring in Private Equity, Public Equity and more, helping grow and enrich the Solana ecosystem.

Starstone

Undefined

Starstone is a mystical Web3 collectible game on Solana where players gather and evolve powerful creature SFTs using elemental “shards.” Each creature progresses through evolutions by burning shards and can be staked to generate rarer ones. The ultimate goal is to build and strengthen your team of creatures for epic battles in a future competitive arena. It blends strategy, rarity, and discovery in a living, player-driven universe.

Stay Liquid

DeFi, Infrastructure, Stablecoins

Stay Liquid white labels stablecoin DeFi yield protocols to companies blocked from yield by security and compliance. By diversifying client assets across low-risk stablecoin liquidity pool positions, we enable fintechs to earn a risk-managed return without clients losing the custody of their assets and staying fully compliant.

Stazys

DeFi

Stazys is a visual node-based studio for building and investing in DeFi strategies on Solana. With a simple drag-and-drop interface, anyone can design strategies, run simulations, and launch permissionless vaults where others can invest. All in one place, fully on-chain. Stazys removes the headache of managing multiple protocols, farms, and the flood of new liquid tokens. Users can link these assets into automated strategies, backtest them, and refine before going live. Creators get a platform to monetize their ideas, while investors gain easy access to innovative yield opportunities without juggling with dozens of protocols. Launching first on Solana, with plans to expand across other chains.

Stealf

DeFi, Consumer Apps, Stablecoins

Stealf is the first stablecoin neobank on Solana designed for true transaction privacy. Powered by Arcium.

StealthDrop

Consumer Apps

StealthDrop is a privacy-first NFT drop platform on Solana that mints NFTs to stealth (hidden) addresses using ephemeral encryption and token extensions. It enables creators to deliver encrypted or gated content that only verified NFT holders can access, ensuring privacy and programmable control over digital drops. Built with security at its core, StealthDrop brings confidentiality, access control, and revocability to the Solana NFT ecosystem.

Stockline by Mocha

DeFi, RWAs, Stablecoins

Stockline is a blockchain-powered investment platform designed to democratize access to global markets for people in emerging economies — starting with Sierra Leone. With Stockline, users can easily convert local mobile money into fractional shares of leading U.S. companies like Apple, Tesla, and Google — starting from as little as $0.04.

Stock Stake

DeFi, RWAs, Consumer Apps

"Unlock your Equity STs (Security Tokens) in DeFi." We provide a revolutionary liquid staking solution for equity STs. This allows investors to maximize their capital efficiency by utilizing their STs in DeFi , all while retaining rights such as dividends. By bringing a new, stable class of collateral to the DeFi market, we are building a more secure and vibrant financial future.

Stratalink Labs – Liquidity Truth Layer

DeFi, RWAs, Infrastructure

Stratalink Labs is building the Liquidity Truth Layer for Web3 — a Proof-of-Liquidity oracle network powered by STRATA AI analytics. It verifies and scores token liquidity in real-time, bringing transparency, trust, and institutional-grade risk intelligence to DeFi.

Streaks.quest

Consumer Apps, Infrastructure

www.Streaks.quest turns gm/gn into proofs of commitment. Each user gets a soulbound NFT reflecting account age and reliability, while their streaks appear on a community leaderboard. No KYC, no friction, and data stays with the user. Today a game — tomorrow a decentralized web of trust for Web3.

Streamlify.io

Consumer Apps

A Web3, decentralised, ad-free streaming video platform powered by Livepeer and Solana, that puts users first and pays creators fairly. Leveraging NFT and ZK compression roll-ups for privacy and economic viability while scaling.

Streamlink

Consumer Apps, Infrastructure, Stablecoins

Monetise your conference calls

strikerate

Consumer Apps, Infrastructure, Stablecoins

The scoring engine for sports fans

Strikesense

Consumer Apps

Strikesense is an AI-powered boxing training platform that tracks and analyzes punches in real-time. Using computer vision (Mediapipe + OpenCV) and machine learning, it identifies punch types, measures speed, accuracy, and combos, and provides detailed analytics for fighters and coaches. With Strikesense, boxers can: Track every jab, cross, hook, and uppercut during training. Visualize strike data in real-time through an interactive dashboard. Review historical performance and monitor improvements over time. Gamify training with milestones, combos, and performance challenges. Optionally record verified achievements on the Solana blockchain for authenticity and secure record-keeping. Strikesense transforms boxing training into a data-driven, measurable, and engaging experience, helping athletes optimize performance and track progress like a “Strava for boxing.”

Strun

Consumer Apps

STRUN is a move-to-earn platform that transforms real-world activity into verified, on-chain rewards. By merging AI, GPS tracking, blockchain verification, and the x402 micro-payment protocol, STRUN lets users earn real value for every step. Users complete personalized AI-generated tasks from Runny, their smart fitness assistant — like running routes or visiting local spots — and earn XP, SOL, or USDC upon AI + GPS verification. Each verified route can be minted as a Land NFT, making every area a digital asset. Landowners earn rent automatically when others complete tasks in their zones through x402 instant payments. STRUN builds a gamified ecosystem: 🏃 Users earn rewards for real verified runs 📍 Sponsors create geo-based challenges 💬 Community & Groups drive engagement 🎖️ Ownership, competition, and fitness unite STRUN turns movement into an economy — where every run counts, every land matters, and Runny keeps you moving smarter.

StudIQ

DeFi, Consumer Apps, Stablecoins

Simplifying Financial Literacy for Every Student.

StudyPerks

Consumer Apps, Infrastructure

We tell agentic commerce exactly who they are shopping for and what you are eligible for. Starting with students, by tokenising your student card so your discounts become automatic. I became a student again and found the student discount a pain in the arse. Its hidden behind codes and third party platforms. Building the MVP for my college project and launching it to allow instant discounts on my own Shopify store - www.thewoo1984.com it's then evolved to becoming the verification layer that agentic commerce needs to tell it who it's shopping for. The cost of living is hitting everyone, I know students are really struggling and I don't want discounts and savings to be missed.

Subflow

Consumer Apps

Solana-native marketplace for digital products. Instant USDC payments, secure downloads, zero chargebacks. Built with Sanctum Gateway.

Subly

Consumer Apps, Stablecoins, Undefined

Subscribe Now, Pay Never. This is the privacy-first PayFi protocol for subscription services such as Netflix, Disney+ and Spotify - powered by Arcium, Perena and PayPal.

Suburbia Skate

Consumer Apps

A modern web application for customizing skateboards and minting them as NFTs on the Solana blockchain.

subZero

Infrastructure, Undefined

The vision is (anything but) simple... to optimize the 'Last Mile' for blockchain applications and end users. The objective: to ensure uninterrupted private low latency connectivity - decentralized redundancy for the new internet 'operating system' that never sleeps. Introducing novel solutions for streamlining IO communications across the distributed network stack. Welcome to subZero - a revolution is coming to blockchain edge services...

SunChain

RWAs

SunChain Nigeria is a DePIN project bringing community solar energy onchain through Solana. What we build: IoT-powered solar microgrids that generate, store, and record usage data onchain. Why Solana: Fast, low-cost, scalable blockchain enabling real-time micropayments and tokenized energy credits. How it works: Smart meters upload verified data; users pay with stablecoins via Solana smart contracts. Impact: Transparency, accountability, and community ownership of clean energy. Pilot Goal: Deploy IoT-enabled units in 3 Nigerian locations, onboard 100+ users, and publish adoption report. Vision: Prove Solana’s role in powering real-world DePIN systems beyond finance, into energy and sustainability. Twitter: @SUNCHAIN_ Telegram: @SirIsarck001 Twitter (X): @SirIsarck