The Sandbox SAND/USD is a blockchain virtual world that allows users to create, build, buy or sell digital assets. SAND is the token used throughout the ecosystem and is an ERC-20 utility token. Decentraland MANA/USD is a virtual reality platform powered on Ethereum and lets users create, experience, and monetize content. The MANA token is […] The post The best play-to-earn tokens worth buying on December 29: SAND, MANA, and AXS appeared first on Invezz.