Recently came across the NymVPN project (https://nym.com/), which makes use of WireGuard like fabric and a blockchain/smart-contracts, that implements a mixnet to obfuscate header and timing information of packets in transit. Is advertised to be more secure and better at ensuring privacy/anonymity than Tor. The service has been public for about a year now, but the interview with Harry Haplin, a founder of Nym, provides interesting insight into both motivation and what goals Nym is trying to achieve.