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How to Deposit?

Target Users​

This section is intended for users who wish to deposit their YBTC.B or BTC assets into the Vault to earn BTC-denominated yield. It applies to all supported blockchains (e.g., Sui, Avalanche, Plume, Starknet) and both Vault types (DeFi Vault and CeDeFi Vault).

Asset Options​

You may deposit using either of the following:

- YBTC.B​

  • Requires token approval before deposit (default is unlimited).
  • Upon deposit, users receive a Vault Proof Token (e.g., AvaxYBTC.B) representing their share.
  • Initially, deposits are 1:1, but the rate updates after each yield distribution.

- Bitlayer Native BTC​

  • No approval needed.
  • BTC is automatically converted to YBTC.B during the deposit process.
  • Converted YBTC.B is then deposited into the selected Vault.

Step-by-Step Guide​

  1. Visit the official Vault platform or a supported partner interface.
  2. Select the Vault product you want to participate in.
  3. Choose the asset to deposit: YBTC.B or Bitlayer BTC.
  4. (Optional) Click [Max] to autofill the max depositable amount:
    • For BTC, reserve a small balance for gas fees.
  5. Confirm the transaction.
  6. Upon success, a Vault Proof Token will be issued to your wallet.

Deposit Limits & Quotas​

  • Some Vaults (e.g., Sui) may have fixed capacity limits.
  • If the cap is reached, further deposits will be blocked.
  • If your deposit exceeds the quota, the system will display a warning.

How to Determine Ownership?

Proof Token: Vault Ownership Certificate​

After staking BTC assets (as YBTC.B), the Vault system mints a Proof Token representing your ownership and claim to future returns.

Functions:​

  • Records amount staked, deposit timestamp, and expected yield.
  • Sole certificate for redeeming original BTC (or YBTC.B) + interest.

Proof Token Naming Rules​

1. On-Chain DeFi Vaults​

Proof Tokens are named by chain:

  • SuiYBTC.B
  • AvaxYBTC.B
  • PlumeYBTC.B
  • StarkYBTC.B

2. CeDeFi Vaults​

TBD

How to Redeem?

Redemption Overview​

Users can redeem staked assets and earned yield by initiating a redemption request. Redemptions follow maturity rules and ensure liquidity integrity.

🪜 Step-by-Step Redemption Process​

  1. Select the Vault entry and click [Redeem].
  2. View:
    • Estimated BTC payout (principal + yield)