1. Scalability: the ability to handle large volumes of transactions at high speeds.
2. Interoperability: the ability to exchange data with other platforms, including those running different types of blockchains, as well as with the off-chain world.
3 Sustainability: a) the ability to run a large-scale blockchain platform or decentralised application in an environmentally responsible way, and b) the ability to govern projects, platforms and the core technology in such a way that they remain viable over the long term.