- Houdini Swap launched Houdini Pay, a private payment service enabling users to receive payments in preferred digital assets without exposing their onchain addresses.
- Houdini Pay supports over 4,000 digital assets and converts payments into the recipient’s chosen asset while breaking the onchain link between sender and receiver.
- The service is centralized, AML-compliant, and retains transaction metadata, limiting cryptographic privacy guarantees.
- Payment links are permanent, non-editable, and require a set payment amount, with fees paid by the sender.
- Houdini emphasizes privacy’s importance for business and security, citing risks like competitive tracking and physical attacks related to public wallet visibility.
Houdini Swap, a centralized instant exchange aggregator, has introduced Houdini Pay, a private payment service designed to let users receive digital payments without revealing their onchain addresses. The new service enables users to generate shareable payment links that accept more than 4,000 digital assets across multiple blockchains. Payments sent through the system are converted into the receiver’s preferred asset, while the routing method breaks the onchain connection between sender and recipient wallets.
The service requires senders to cover fees associated with the backend exchange aggregator, ensuring recipients receive the full requested amount. Houdini Pay’s payment links do not expire and can be used indefinitely, but they cannot be modified and require a specified payment amount rather than accepting any amount.
While Houdini Pay aims to enhance transaction privacy by breaking onchain links, it remains a centralized service subject to Anti-Money Laundering (AML) regulations and geoblocking. Both Houdini and its partners retain transaction metadata, such as wallet addresses, asset types, amounts, and IP addresses. In some cases, flagged transactions may lead to additional information requests as part of AML policies, according to the official Houdini documentation and FAQs. This setup limits cryptographic privacy guarantees compared to privacy-focused services that use zero-knowledge proofs.
Joshua Rogers, CEO of HoudiniSwap, clarified that Houdini Pay is not a cryptocurrency mixer but a compliant privacy tool that does “never hold, custody, or access user crypto.” For stronger cryptographic Anonymity, users may opt for services like zkBob, which employs zero-knowledge-proof-based shielded pools, though zkBob currently supports only Ether (ETH), USD Tether (USDT), and USD Coin (USDC).
Houdini highlights the need for improved privacy in crypto payments to protect business interests and personal security. Public wallet addresses reveal balances, transaction histories, and asset holdings. This transparency can lead to clients underpaying freelancers after viewing their earnings or competitors tracking supply chains. The company noted incidents where freelancers experienced rate cuts after clients checked their wallets.
Security concerns include increasing physical attacks known as “$5 wrench attacks,” where attackers coerce crypto holders to surrender assets by force. For example, a kidnapping attempt targeted the family of a crypto exchange executive in Paris, prompting government cooperation with industry professionals.
Overall, Houdini’s new service aims to balance privacy enhancements with regulatory compliance to address real-world security and business challenges in cryptocurrency transactions.
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