

Arcium Technical Deep Dive: Building on the Encrypted Supercomputer
Most onchain applications ask users to accept a trade-off: functionality or privacy, but not both. Arcium is the infrastructure that removes that trade-off entirely.
Arihant Bansal, Ecosystem Developer at Arcium and a Colosseum Frontier judge, joins us at Solana Network State for a technical deep dive into how Arcium's encrypted compute layer actually works. This is a developer session for builders who want to understand the architecture and start building with it.
Arcium is the world's first encrypted supercomputer, enabling high-speed encrypted computation directly on Solana. The core insight is that most blockchain applications today are transparent by default - every transaction, every input, every state change is visible onchain. Arcium solves this by processing data inside Multi-Party Computation environments that never expose the underlying information, even to the nodes doing the computation. The result is a chain that can run confidential AI inference, private institutional payments, sealed auctions, and confidential DeFi, without sacrificing the composability and speed that make Solana worth building on.
The session walks through the full technical stack: how MPC works in practice, how Arcium's MXE architecture processes encrypted data at speed, and a practical walkthrough of integrating Arcium into your own application. If you have been building a product where user privacy is a blocker, or where exposing transaction logic onchain creates a competitive disadvantage, this is the session that shows you how to fix it.
This is directly relevant to your Colosseum submission. Privacy infrastructure is one of the most underexplored verticals in the hackathon. Arihant is a judge. He will tell you what a compelling Arcium integration looks like in a submission, and what a superficial one looks like. Come ready with questions about your project.
What you will walk away with: a working mental model of MPC and how Arcium implements it on Solana, clarity on which use cases are the strongest fit for encrypted compute, a practical starting point for integrating Arcium into your build, and direct access to a Colosseum judge who specialises in this vertical.