A computed cross-section of nacre. Offset courses of aragonite tablets are coloured by the interference of light in each tablet’s own layer stack; tablets thicken with depth, from about 408 nanometres at the top to 492 at the bottom, so the overtone walks from teal through green to mauve. Pointing at the panel reads out the thickness of the tablet under the pointer, the colour it reflects and the reflectance curve behind that colour, and tilts the surface — which shortens the optical path and shifts every colour, as a real shell does.
Orient wraps a full-range Uniswap v4 position on Robinhood Chain in an ERC-20 called Nacre. Send it, sell it or post it as collateral without unwinding anything. Fees are compounded back into the position, so the liquidity behind each token only grows.
Nothing is deployed. The contracts compile and sixteen properties are executed against the PoolManager’s real bytecode on every build, but there is no vault on chain 4663 and no token. Each claim on this site says which of those it is.
Capabilities
Six properties, and every one of them is a line you can find in the contract.
There is no oracle here, no TWAP and no quote. Every amount the vault moves is a number the PoolManager handed back from the call that moved it, which is why a redemption cannot be manipulated by moving a price.
No oracle · No TWAP · Pool-quotedDeposit both sides of a pair and hold Nacre: a plain token any wallet, exchange or lending market already understands. Nothing bespoke for a venue to integrate.
Fungible · Transferable · ComposableA concentrated range has to be rebalanced, and a rebalanced vault is a vault with a manager. Full range never leaves the market and needs no keeper. The cost is capital efficiency and this page says so.
No rebalancing · No keeper · No managerHarvested fees are added back as liquidity without minting shares, so the liquidity behind each token rises and the supply does not. That is the only step that moves the price.
Auto-compounding · No new supplyBurn Nacre, receive both tokens, in one transaction. There is no lockup, no queue, no claim window and no address that can stop it.
No lockup · No queue · Owner-freeThe vault keeps its own record of the liquidity it owns. isFlush() reads the PoolManager’s storage and compares the two, so you never have to take the vault’s word for it.
extsload · Verified source · Public codeHow it works
Seed, Secrete, Accrete, Release. One call each, and each one is a transaction you can look up.
Deposit both tokens. Nacre is minted in proportion to the liquidity you added, and to the fees the vault has harvested but not yet compounded — so you buy into the vault exactly as it stands.
Harvest the position’s fees into the vault. Anyone can call it: it moves nothing out except the protocol cut, so there is no reason to gate it.
Compound those fees back into liquidity. No shares are minted, so liquidity per share rises and nothing else about your holding changes.
Burn Nacre and receive your share of both tokens, plus your share of anything harvested and not yet compounded. One call, no approval from anyone.
Only Accrete moves the price. Seeding and releasing are proportional by construction, and harvesting alone does not touch it — a property the test suite asserts over a random sequence of all three.
Comparison
The same liquidity, without the parts of it that were never the point.
A v4 position on its own
With Orient
Why Orient
The name is the jewellery trade’s word for the play of light a pearl gets from its layers — which is what the vault does to a position.
An oyster cannot expel what gets inside it, so it coats the intruder: tablets of aragonite about half a micron thick, laid in offset courses with thirty nanometres of protein between them. Thousands of them, one after another.
The colour that comes back is not pigment. It is interference — light reflecting off every interface in that stack and arriving back out of step with itself. So the hue is a direct read of how thick the tablets are, and the depth of the sheen is a direct read of how many there are. The trade calls that sheen the orient, and it is the thing a grader is looking at.
A vault that compounds fees is doing the same arithmetic. Each harvest is another layer over the same nucleus. The supply does not change; the thickness does. That is why the price per token is a layer count and not a promise.
The picture above and the curves beside this are both solved, not drawn: a transfer matrix through the stack at normal incidence, integrated against the CIE 1931 observer. Change the tablet thickness and the colour moves the way a real shell’s does, because it is the same equation.
Runs on
No indexer, no API key and no server of ours between you and the chain.
Chain
Pool
Wallets
No lockup, no queue and no address that can stop a redemption. What a token is worth is liquidity over supply, and both halves of that are readable on chain at any time.