And they've open sourced a lot of the code they use for their infrastructure: https://github.com/nordic-institute/X-Road https://github.com/nordic-institute/X-

And they've open sourced a lot of the code they use for their infrastructure: https://github.com/nordic-institute/X-Road https://github.com/nordic-institute/X-Road They also had a blockchain-based timestamping system a year before the Bitcoin white paper was released :)