ChainCatcher message, the privacy-first L2 Aztec on Ethereum posted on platform X that Aztec Labs has built Aztec Sandbox (currently in Alpha stage) for developers to easily build and test privacy-first applications. Aztec has been collaborating with Resurgence Labs to test the possibilities of building within the Sandbox.It is reported that Resurgence Labs created Ikigai, which is a private network version of Patreon.