The results for Arcium’s Track from the Solana Privacy Hack are in and we’re excited to highlight the teams that delivered the strongest encrypted apps and made the most of Arcium.
Below are the winners in their respective categories.
Bench is a private opportunity market designed to surface high-quality signals for decision makers.
Instead of risking capital, participants stake SOL, aligning incentives through opportunity cost rather than loss. Stake, preference, and vote size remain confidential via Arcium’s MPC network, with permissionless reveal after the voting period.
Organizations such as sports teams, music labels, and investment firms can crowdsource high-conviction private data and transform it into actionable signals, while preserving information asymmetry and protecting participant alpha.
Market creators benefit from selective disclosure and the ability to evaluate an unlimited set of permissionlessly created options.
Discover Bench →
Crafts is a launch and fair price discovery platform built around sealed-bid auctions designed to reveal true demand.
It introduces the first on-chain sealed-bid uniform price auction on Solana, enabled by Arcium’s MPC network. Arcium keeps bids encrypted while still allowing the clearing price to be computed and settled on-chain.
By keeping price and size confidential throughout bidding, Crafts eliminates information leakage, protects participant strategy, and ensures orders settle at a uniform clearing price.
This mechanism mirrors the structure used in Treasury auctions and Google’s IPO — a model never before possible natively on-chain.
Discover Crafts →
Epoch is a privacy-preserving prediction market built on Solana. Traditional on-chain markets expose every position in real time, enabling front-running, copy trading, and distorted signals. Epoch encrypts bet direction and size client-side, ensuring no observer can see who bet what or on which side. Using Arcium’s MPC, validation and payout logic execute on confidential data while settlement remains trustless. The result is a market that reflects genuine conviction, not visible order flow.
Discover Epoch →
Undesk is a fully private and non-custodial OTC trading desk built on Solana and powered by Arcium.
It enables traders to negotiate and execute large deals without revealing price, size, or strategy. Deals and offers remain end-to-end encrypted, with order matching and execution handled inside Arcium’s encrypted computing network.
Trades settle through confidential MPC execution while settlement remains fully on-chain. Shared pool balances update privately, and users may withdraw funds at any time.
Undesk uses deterministic derived keys and a relayer architecture to ensure user pubkeys never appear on-chain, eliminating information leakage throughout negotiation, matching, and settlement.
Discover Undesk →
The hackathon may be over, but we believe this is just the beginning for many of these projects. We look forward to seeing the applications develop further and move toward production.
This was one of the most competitive hackathons we have had to date. We want to thank every team that chose to build with Arcium. The quality, creativity, and technical depth across submissions were exceptional.
If you’re continuing to develop your Arcium integration, reach out via Arcium’s X account — we’re happy to support you.
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