NEM is described as ''s blockchain platform was designed and coded from the ground up for scale and speed. NEM's permissioned private blockchain delivers industry-leading transaction rates for internal ledgers' and is a cryptocurrency coin in the bitcoin & cryptocurrency category. There are more than 50 alternatives to NEM, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android. The best alternative is Bitcoin, which is both free and Open Source. Other great sites and apps similar to NEM are Monero, Ethereum, Litecoin and Dogecoin.
Bitcoin is a peer-to-peer digital currency. Peer-to-peer (P2P) means that there is no central authority to issue new money or keep track of transactions. Instead, these tasks are managed collectively by the nodes of the network.
Monero is a digital currency that is secure, private, and untraceable. It is open-source and freely available to all. With Monero, you are your own bank. Only you control and are responsible for your funds, and your accounts and transactions are kept private from prying eyes.