Sign in


In the previous article “MMR — the possibility for superlight verification of block”, Poly Enterprise team introduced that each leaf node (a block) of Merkel Mountain Ranges actually commits all the previous blocks, and even if the header chain of blocks is not saved, the verification node can still determine the validity of the latest block based on the MMR root hash. Thus, MMR can provide an opportunity to solve superlight verification problem of PoW based chain.


In order to verify the validity of transactions, cryptocurrencies such as Bitcoin and Ethereum, require nodes to verify the validity of the blockchain…

Ruotong Wang

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store