[PlatON Tech-Column]A detailed explanation of the Stateless concept (I)
To understand what Stateless clients are we must first look at the background to the idea of Stateless clients.
The blockchain is decentralised and neither subordinated to powerful institutions nor privately owned; it is a ‘commons’. The biggest challenge facing the commons is how to make the limited resources as energy efficient as possible, and avoid the ‘tragedy’ of the whole ‘commons’ becoming less efficient or even disappearing due to the ineffective occupation of resources. In the case of Ethereum, for example, with the increasing amount of account and contract data, the state data saved on all nodes has exceeded 2TB so far, and the increasing state data poses a series of risks to all public chains.