Afterglow

Videos

Tech Stack

React

Solidity

Rust

Web3

Description

Afterglow: fixed-rate USDG lending against tokenized stocks on Robinhood Chain.

- Tokenized stocks trade 24/7, but their prices freeze from Friday's close to Sunday night. Lenders either lend on stale prices, so Monday gaps become bad debt, or they freeze completely.

Afterglow follows the market clock instead:
- Borrowers get USDG at a fixed rate. The borrow limit tightens before the close (55% to 45% LTV). Repaying always works, and nothing is liquidated on a frozen price.
- Every loan pays a weekend premium, priced per stock by GapGuard (Rust on Arbitrum Stylus).
- Lenders choose Protected (paid first, 5%) or Boost (takes losses first and keeps the premium, about 25%). Live and verified on Robinhood Chain testnet. 102 tests, including mainnet-fork tests.

Progress During Hackathon

Afterglow was started during the buildathon. The first commit is from 27 Sep 2026, and the full history is public. Built during the buildathon: 1. The contracts: PhaselockOracle, AfterglowMarket, AfterglowTranches, and GapGuard in Rust on Arbitrum Stylus. 2. 97 unit and fuzz tests, plus 5 fork tests against live Robinhood Chain mainnet stock tokens and Chainlink feeds. 3. Deployed and verified on Robinhood Chain testnet: TSLA and AMZN markets, each with Protected and Boost vaults. 4. A keeper, running as a GitHub Action, that copies mainnet Chainlink prices to testnet and runs the weekend sweep. The testnet freezes exactly when the real market closes. 5. The web app: landing page, docs, trading terminal, Earn, Markets and Portfolio, with ZeroDev sponsored gas. 6. Dune queries that rebuild the GapGuard model from on-chain data.

Fundraising Status

Bootstrapped: no outside funding raised yet. Open to grants and a pre-seed round after the buildathon.