Skip to content

Investing in baskets

There are three ways in and three ways out. All of them are self-custodied: basket tokens sit in your wallet like any ERC-20.

Zap

The one-tap path. zapMint takes USDG, buys each component of the recipe from Uniswap v4 pools, mints the maximum whole amount of basket tokens, and refunds any dust: one transaction, one signature, gas sponsored. zapRedeem is the mirror: basket in, USDG out.

Every leg carries a minimum-out bound you set before signing, so a thin pool costs you a reverted transaction rather than a bad fill. Zap sizes around $25,000 currently cost roughly 1% against the oracle price; smaller clips cost well under half of that.

YOU SENDUSDGZAPROUTERzap fee 0.25%UNISWAP V4buys the componentsYOU HOLDbMAG7The router ends by calling issue() with the bought components; the 0.40% mint fee is carved from the minted amount.

What protects you, enforced onchain:

  • A minimum output (minBasketOut / minUsdgOut) you set; the transaction reverts rather than fill badly.
  • Per-component slippage floors on every fill.
  • The router only calls the single whitelisted 0x exchange contract, fixed at deployment; it cannot be pointed at arbitrary targets.
  • The router retains nothing: every unspent balance, USDG and component dust alike, is swept back to you before the transaction ends.

Before you confirm, the app shows exactly which stock tokens will be bought and at what price. After, you can verify every fill on the block explorer. Legibility is the product.

Savings plans

The set-and-forget path: “€100 into bAI, every Monday.” You approve a USDG allowance and sign a plan; a keeper executes it on schedule.

The keeper is untrusted by design: every guardrail is enforced by the contract:

  • It can only pull exactly your configured amount, only after your configured time gate.
  • The output is checked against the Chainlink-based NAV: basketOut × NAV ≥ usdgIn × (1 − maxSlippage − zapFee). A keeper with bad quotes can only cause a revert, never a bad fill.
  • Cancellation is instant and yours alone. Pausing, editing, and history live in the app.

Plans start at $25 per execution, at most one per day. The keeper is paid a flat $0.05 bounty per run regardless of size, so below that floor a plan costs more to execute than it contributes. Invest less by choosing a longer period, not a smaller amount.

If markets are closed when your plan comes due, it executes when they reopen: once, no catch-up buys. See Market hours.

In-kind issue and redeem

The power-user path. If you already hold the component tokens, issue mints baskets directly from them: no swaps, no slippage, works at any liquidity. redeem returns the components themselves. This path is the core of the protocol and depends on nothing but the basket contract itself.

If a component is ever frozen by its issuer, redeemToClaims guarantees you can always exit the rest of the basket; see How baskets work.

What you pay

One number before every action, itemized: see Fees. The zap preview shows the all-in cost including the market makers’ spread: what you see is what executes or it reverts.