How do you secure a private blockchain? We offer a private network that spans the globe. By joining your node to our network, nodes can be anywhere, and still private, with "non-routable" IP addresses that look like private IPs but behave like the public Internet. The can be used thru NATs, and nodes communicate with each other peer-to-peer, encrypted at layer 2.
Hackers can't hack what they can't see:Video
https://youtu.be/bk2fUDbPiFIWebsite and white paper
https://3emu.infoThis is ideal for private blockchains, but can also provide best security for strategically critical blockchain nodes that connect to the Internet.