- The NEM platform and the currency associated with XEM have suggested building a better lock and here are two main strategies: harvesting An alternative to harvesting, harvesting is a system designed by NEM to generate XEM to maintain the integrity of the NEM block block. Every time someone performs a transaction, the first computer who sees and checks the transaction will notify nearby users of this transaction by creating a cascade of information. This process is called "block generation." Staking XEM and proof of importance Proof of significance is a measure of how much you have invested in the NEM system. XEM assets in your wallet become "acquired" after a certain amount of time. Once you earn 10,000 XEM, you will be able to generate new blocks and earn transaction fees for all transactions in this block.
- There isn't a clear cut roadmap and suffers from the same risk as other new project and there's been an accusation and counter accusations by miners against the nem foundation for breach in agreement