Who this is for, and what the collateral actually is

Geographic restrictions

• Callhouse is not available to US persons, and nothing on this site is an offer or solicitation to any person in any jurisdiction where such an offer would be unlawful.
• Robinhood Chain Stock Tokens are offered outside the United States under their issuer's own terms and eligibility rules. Those rules govern whether you may hold the collateral at all; this interface does not widen them and cannot waive them.
• Access is restricted by the Terms of Use, not by a technical control. You are responsible for your own eligibility, and for any tax or reporting consequence of using this interface.
• No know-your-customer process is run here, and none is implied. This is a permissionless smart contract on a public chain.

What a Stock Token is

• The collateral in this vault is a tokenised instrument issued by Robinhood Assets (Jersey) Limited. Stock Tokens are debt securities issued by that entity. They are not shares in the underlying company.
• Holding one gives you no shareholder rights: no vote, no direct claim on the underlying company, and no direct relationship with it.
• You carry issuer credit risk on Robinhood Assets (Jersey) Limited. If the issuer fails, the token's value does not survive independently of it.
• The issuer can freeze or restrict transfers, which can stop this vault writing, settling, or paying out tokens until it is lifted. The token can also pause its own price oracle, which stops this vault writing and listing new calls; settlement does not read the oracle. No Callhouse contract can override either.
• Corporate actions — splits, dividend adjustments — are expressed through an ERC-8056 display multiplier rather than by rebasing balances. The app shows the adjusted figure clearly labelled as display-only; all vault accounting uses raw balances.

What cNVDA is

• cNVDA is a vault share. It represents a pro-rata claim on the NVDA Stock Tokens the vault holds, plus separately accrued USDG. It is not itself a Stock Token, not a deposit, and not a claim on Callhouse, Overcall, Valorem or any Robinhood entity.
• There is no protocol token, no points programme and no airdrop attached to this vault.
• Premium is paid only when a buyer fills the weekly listing. A week with no buyer pays nothing, and an exercised call takes collateral at the strike. The risks page carries the full risk list, and how it works describes the cycle those outcomes come from.

No advice, no guarantee

• Nothing on this site is investment, legal, tax or accounting advice, and nothing here is an offer of securities.
• The Callhouse smart contracts have not been audited. They are provided as-is, under the MIT licence, with no warranty of any kind. You can lose the collateral you deposit.
• Past weekly results, including any published on the activity page, describe what has already happened and say nothing about what any future week will do.

No affiliation

Callhouse is an independent project. It is not affiliated with, endorsed by, or operated by Robinhood Markets, Inc., Robinhood Assets (Jersey) Limited, Overcall, Valorem, or the issuers of USDG or Seaport. Those names appear here only to identify the third-party contracts and services this vault interacts with.

Reporting a vulnerability

If you believe you have found a vulnerability in the contracts or either domain, do not post it publicly. Send it to security@callhouse.finance. The same address is published, machine-readably, at /.well-known/security.txt. A bug bounty with its own disclosure channel opens in the second week after mainnet launch. Until then the contracts are unaudited, and a report is a favour, not a claim.

The Terms of Use and the privacy notice are separate pages.