on-chainDAT

About LDAT

LDAT is a digital asset treasury (DAT) on Linea L2. The protocol accumulates the network's base asset, $LINEA, resells it on a P2P market at a markup, and routes the resulting $ETH into buying and burning its own $LDAT token.

In one sentence: the more trading and volatility there is in $LINEA, the more $LDAT goes into the fire, and the less of it stays in circulation.

Why we built it

1. $LINEA exposure without borrowing.

The protocol takes on no debt, so it has no position anyone can liquidate and no interest to service. What it does instead:

  • the treasury holds $LINEA and $ETH;
  • the dollar value of that treasury tracks the price of what it holds;
  • in parallel, the treasury buys $LDAT from the market and burns it, shrinking supply.

Those are the two mechanisms. How the market prices $LDAT against them is the market's business, and it can move in either direction, including to zero.

2. Move $LINEA volume from CEX to DEX inside Linea L2.

Today almost all $LINEA volume routes through centralized exchanges. We want a slice of that activity to flow into Linea itself, onto its on-chain DEXs. Every swap there is a network fee, and every network fee fuels $LINEA's deflationary mechanics.

3. Indirectly accelerate $LINEA burns.

$LINEA has a built-in value-return mechanism: a share of network fees funds buybacks and burns of $LINEA. The more activity on Linea, the less $LINEA stays in circulation. LDAT is one of the protocols that generates this activity by design.

What the design does not depend on

1. No external dependencies.

LDAT does not borrow, does not stake, does not hand the treasury to other protocols. The buy and sell of $LINEA happens through a transparent P2P mechanism:

  • while anyone trades $LDAT on Uniswap, $ETH builds up in the treasury (8% of every swap; the other 2% of the 10% tax funds the project);
  • once the dollar value of the accumulated $ETH exceeds the market price of 150,000 $LINEA on any Linea DEX, an arbitrage opens up;
  • any address can hand the protocol 150,000 $LINEA and receive the $ETH released so far.

No centralized market maker, no off-chain deals. The protocol picks no counterparty: it states a standing price and waits for someone to take it.

2. Slow-rug protection.

A cap that stops the treasury from being drained in a single click. If $ETH stacks up faster than the protocol is ready to release it, the surplus simply waits. The cap grows linearly with every block, so arbitrageurs eventually capture it, but smoothly. The goal: keep the DAT running steadily through the launch and through any spike in activity, instead of burning out in the first few hours.

3. Linea L2 as the foundation.

Linea is a zkEVM L2 with full EVM equivalence. It is built by ConsenSys, the company of Ethereum co-founder Joe Lubin, who is known for his focus on decentralization. LDAT's smart contracts execute exactly the same way as on Ethereum itself, with the same cryptographic guarantees, only cheaper and faster.

4. The $ETH/$LDAT liquidity is unkillable.

The entire pool sits on Uniswap V4 and the LP position has been burned. That means:

  • nobody, including the team, can pull liquidity;
  • even if the Uniswap frontend is taken offline, the pool keeps working directly on-chain;
  • the pool stays reachable for as long as Linea keeps producing blocks.

5. The contracts are upgradeable for now.

During the first months of mainnet, upgrade keys are held behind a 2-of-3 multisig, so we can fix a bug quickly if one shows up. That also means the logic described on this page can be replaced. We intend to revoke those keys once the stress-test cycle is finished, which would freeze the contracts for good, but we have committed to no date and you should treat the code as changeable until it actually happens.

What the design implies

The core idea of LDAT is a reflexive loop, driven by trading volume rather than by price direction. What follows is what the mechanism does, not a forecast of what it is worth.

1. A starting treasury from day one.

After launch the treasury already holds initial $LINEA. From there, every trade adds $ETH. The protocol does not start from zero.

2. When market cap drops below treasury, everyone sees it.

$LDAT's market cap is the combined value of all tokens in circulation. The treasury is how much $LINEA and $ETH sits inside the protocol. Both numbers are on-chain, and the site shows them side by side, so anyone can see when market cap sits below treasury. What the market does with that information is not something the protocol controls or predicts.

3. The treasury tracks $LINEA.

When $LINEA rises, the dollar value of the treasury rises with it. Separately, part of the $LINEA position converts back into $ETH through the P2P mechanism, and that $ETH buys $LDAT for burning. Those are two distinct mechanisms; neither one sets a price.

4. The cycle does not need a direction.

The tax is charged on every swap, buy or sell alike, so the treasury accrues on falling markets exactly as it does on rising ones. The mechanism responds to volume, not to direction. If trading stops, the cycle stops with it.

5. Volatility drives the loop.

Any move, up or down, is volume, and volume is what feeds the fee, the bag purchases, and the buy-and-burn. A quiet market means a quiet protocol.

What comes next

  • $LDAT is the first and anchor DAT in the on-chainDAT ecosystem on Linea L2.
  • The next planned launch is $REX33DAT.
  • All DAT tokens launched after $LDAT will route 1% of their volume into buying and burning $LDAT. The bigger the ecosystem gets, the stronger the deflationary pressure on the anchor token.

The detailed project documentation is here, and the risks are listed on the front page.