PageEth is a decentralized, privacy-preserving, omnichain communication protocol for secure message exchange across IoT devices, hardware-software interfaces, and dApps. It leverages blockchain technology to enable end-to-end encrypted communication in a trustless environment.

Avail
Avail is designed for a new era where users, dApps, and tokens can navigate the onchain economy at an unprecedented scale. With Avail, both users and developers gain access to the entire onchain economy from anywhere. Avail frees developers from the constraints of specific tools, programming languages, or frameworks, allowing them to use the stack that best fits their project. Simply plug-in Avail to reach any asset on any chain, at any scale.
- Prize money awarded
- $58,500
- Prizes
- 63
- Winning projects
- 60
- Hackathons
- 12
- Largest prize
- $2,500
- Active
- 2024–2025
What they reward
Tech their winners favour
Share of Avail's winners using it, against all entries at the same hackathons.
Recurring prizes
Tracks offered at more than one hackathon.
- Build with Avail4 hackathons · about $2,625 · last 2024
- Best DeFi or Payments app with Avail Nexus SDK2 hackathons · about $4,750 · last 2025
- Developer Feedback (Test our Docs)2 hackathons · about $1,000 · last 2025
- Best Core Tooling project2 hackathons · about $2,250 · last 2024
- Best appchain/rollup/project built with Avail DA2 hackathons · about $2,000 · last 2024
Hackathons
- Buenos Aires Nov 21–23, 2025$10KGold3$6.5K
- ETHOnline 2025 Oct 10–31, 2025$10KGold10$10K
- Cannes Jul 4–6, 2025$10KGold4$6.5K
- Bangkok Nov 15–17, 2024$15KPresenter11$8.5K
- San Francisco Oct 18–20, 2024$10KPresenter2$1K
- Singapore Sep 20–22, 2024$5KPresenter1$1K
- ETHOnline 2024 Aug 23 – Sep 13, 2024$5KPresenter9$4K
- Brussels Jul 12–14, 2024$15KPresenter7$10K
- Sydney May 3–5, 2024$5KPresenter2$2K
- Scaling Ethereum 2024 Apr 5–26, 2024$5KPresenter6$4K
- London Mar 15–17, 2024$5KPresenter2$2K
- Circuit Breaker Feb 2–21, 2024$5KPresenter3$3K
Winners
All 60 winning projects →Orchave is a decentralized instant data oracle empowering users to customize APIs and become providers, as well as making the provided data more trustless with every user.
A privacy preserving multi-chain domain resolver that uses ZkProofs. Tokenized domains, expedited queries, enhanced security for DNS lookups. Bridging Web2 and Web3 through DNS and ENS systems.
A Football-like Game where the players in the field are actual bots. Human players can code them, buy them to create a club, or maybe they want to hold shares of the clubs, or even manage the teams. A whole world of football!
TrueCanvas empowers digital artists to authenticate their original work using zero-knowledge proofs. By providing command logs and artworks, artists generate proofs published to blockchains. This allows anyone to verify authenticity, enhancing trust in digital creations.
A Cross Chain Liquidity Leasing Market for idle funds in Smart Accounts
Traditional onchain transactions have been locked away in apps or complex interfaces, making it significantly harder for people to use crypto products. With Blinks or blockchain links, transactions can open up to anywhere on the internet — using Iframes.
Deposit funds on one chain, receive gas on multiple chains at once.
Incentivized on-chain AI collaboration platform, enabling permissionless upload of training data and computational AI models
Verifiable medical records for calculating insurance premiums
Free FI is a cross chain DeFi yield optimizer powered by Avail Nexus automated.
PrismX is a gamified prediction marketplace app built on top of Arbitrum and Avail as an L3 chain. Easy UX, you swipe right/left to bet on markets.














