Cryptocurrency self-custody platform Casa has introduced new functionality for its recently launched Ether (ETH) vaults, allowing users to transact via a relay for added privacy.
Casa expanded its initial Bitcoin (BTC) custody offering by adding a multisignature Ethereum self-custody vault in June 2023. This enables users to manage the self-custody of their ETH holdings with up to five private keys for asset security.
To enhance transactional privacy for ETH users, Casa has implemented a mechanism that allows them to utilize an ETH pay wallet as a relay for creating and transacting from their vault.
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The company explained that Casa had previously facilitated interactions between users’ ETH vaults and the Ethereum blockchain through its in-house Casa Relay.
This bridge enables users to perform specific actions, such as deploying contracts and sending transactions, while covering gas costs. However, one drawback is that users’ Ethereum addresses associated with Casa can be publicly viewed through blockchain scanning tools.
Casa’s solution involves utilizing an ETH pay wallet, a new alternative single-signature wallet that can act as a relay for transacting from a vault. Casa CEO Nick Neuman stated that gas fees and transactions sent from an ETH pay wallet will not be linked to Casa on-chain.
Neuman mentioned that this feature offers customization options for users and was being developed prior to the launch of Casa’s ETH custody vault.
“We were proactive in developing the Pay Wallet Relay because we knew some of our more advanced members would enjoy enhanced on-chain privacy while others would enjoy the simple convenience of the Casa Relay.”
Neuman clarified that the ETH pay wallet does not provide the anonymity associated with obfuscation tools in the cryptocurrency ecosystem:
“It’s not an obfuscation service – all on-chain activity will be viewable just like with any wallet. This just removes the connection to Casa on-chain.”
The service involves additional steps compared to the Casa Relay, and users are required to cover gas fees with their pay wallet. However, the trade-off is added privacy for users who wish to avoid connecting on-chain ETH addresses to Casa.
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