Custody: where your USDC actually sits

When you lock into a course, your USDC does not go to a Locked In bank account. It goes into a vault owned by an on-chain program on Solana mainnet.

The on-chain facts

Every lock is its own on-chain account tied to your wallet and the course. You can verify your lock, its principal, and its status on any Solana explorer — the app’s view of your enrollment is itself driven by reading the chain, not the other way around.

What the program allows — and what it doesn’t

The program is deliberately narrow. Once your USDC is locked, there are exactly two ways it moves:

1. To you, via a claim with a completion voucher — your principal plus your yield share.
2. To you, via the permissionless 180-day force return (see Claiming & force return).

There is no instruction that sends your principal anywhere else. The split math (your share vs. Community Pot vs. fee) is enforced inside the program at settlement, with a hard-coded on-chain maximum fee of 20% — and the current fee is 0% (see Yield & APY).

Beta caps are guardrails

The $50/lock and $1,000-platform caps exist so that, while the system is young, the blast radius of any failure is small. They’re enforced by the program itself — not a promise, a constraint.