Today is a significant milestone for our team at Coinbase, as we launch Wallet-as-a-Service (WaaS) on Ethereum Mainnet. We believe this product will be pivotal in the next wave of enterprises becoming "onchain by default."

A quick tour of 5 key features WaaS has to offer:

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1. MPC-based key management 

WaaS uses state-of-the-art multi-party computation (MPC) to secure your private keys. Both key generation and message signing use MPC to allow for the maximal security properties of these decentralized algorithms.

2. Key export, back-up, and recovery 

New in this release are the following capabilities:

- Full export of your private keys for use in any wallet
- Back-up of your private keys through secure encryption
- Recovery of your private keys in the case of device loss

4. MPC Transaction Orchestration 

A unique feature of WaaS is the MPCTransactionService, which implements a complex state machine to fulfill MPC-signed transactions from construction all the way to confirmation. It handles re-orgs, replacements, retries, and more. Try it out!

3. Ethereum Mainnet access

Until today, we only offered access to test blockchian networks. Now, the full Ethereum L1 ecosystem and its $28B of TVL are open to WaaS developers.

Of course, we are planning to support even more networks in the future - stay tuned.

2. (cont.) Combined with our MPC-based key management, these features make WaaS the perfect solution for companies seeking a balance between the regulatory burdens of custody and the operational perils of self-custody. You can read more here:

How does the recovery work? Would love to chat about this as I work with a project who is building a trustless solution for recovery/passdown currently.