wstGBP Developer Docs
wstGBP (Wren Staked tGBP) is a NAV‑accruing ERC‑20 on Ethereum mainnet that
wraps tGBP, a GBP‑denominated real‑world asset (RWA). Because it is an RWA, wstGBP
is compliance‑gated (see below). A price oracle is “poked” on a regular cadence so the
redemption price rises over time — one wstGBP redeems for a
growing amount of tGBP. That accrual is what the “staked” in the name refers to.
This site is a developer integration reference. Everything here is public and verifiable on‑chain: contract addresses, ABIs, function signatures, fees, and the subgraph schema. It is not investment advice and documents no private or business information.
What wstGBP is
- A wrapper, not a new unit of account. Deposits of tGBP mint wstGBP; redemptions burn wstGBP and return tGBP. Supply is always backed by tGBP held by the contract.
- NAV‑accruing. An off‑chain oracle (
pip) updates a rising price. Mint and redeem both quote against the current NAV, so the tGBP you get back per wstGBP grows as the price is poked. No rebasing — balances are fixed, the price moves. - Compliance‑gated. Every user‑facing call (
mint,redeem,transfer) passes through a compliance guard (cop). wstGBP keeps no list of its own — it inherits the ban list from the underlying gem, tGBP (copcalls tGBP’sisBanned). An address banned on tGBP therefore cannot mint, redeem, or receive wstGBP. - Modular & proxy‑backed. The token (
MaseerOne) holds six immutable references —gem,pip,act,adm,cop,flo— most of them upgradeable proxies. See Architecture.
The current mainnet deployment runs with cooldown = 0, so redeem() is atomic:
it burns wstGBP and pays out tGBP in the same transaction. The two‑step
redeem() → exit(id) queue only applies if a non‑zero cooldown is ever configured.
Who this is for
- Integrators wiring mint/redeem into a dApp, vault, or router.
- Bridge & multichain builders moving wstGBP to L2s and sidechains.
- Data & analytics teams indexing supply, holders, price, and redemptions.
Start here
Always verify addresses against a block explorer before sending funds. This site is a reference, not a transaction UI. The official app lives at wstgbp.com .