# KASH > KASH is batched ETH/wBTC yield on Arbitrum One — delta-neutral funding-rate arbitrage. Agents mint, verify, and redeem directly from the vault contracts with no UI required. Public beta. ## Key resources - [Agent brief](https://www.kash-token.io/agent-brief.json): machine-readable canonical facts — vault/token addresses, getters, NAV formula, batch clock, fees. - [Agent quickstart](https://kash-2.gitbook.io/kash-enhanced-yield-protocol/agent-integration/agent-quickstart): how to mint and redeem programmatically. - [Verify NAV](https://kash-2.gitbook.io/kash-enhanced-yield-protocol/how-it-works/verify-nav): how to independently verify the NAV. - [Documentation](https://kash-2.gitbook.io/kash-enhanced-yield-protocol): full protocol docs. ## Products - KASH-ETH — vault `0xd9c2c8DdCA745EBa7a8c575d0ed0171b8D0565ad` - KASH-BTC — vault `0xAD3298903584DbD539C2085e099136445AeeCBE9` Chain: Arbitrum One (42161). ## Notes - The vault token getter is `kashTokenEth()` / `kashTokenBtc()`, not the standard ERC-4626 `token()`. - Not financial advice. Smart-contract, market, and counterparty risk apply. DYOR.