Best looks simple but is complicated problem related to ECC: https://medium.com/iotex/elliptic-curve-cryptography-iot-security-and-cryptocurrencies-bb4acb73e387

Best looks simple but is complicated problem related to ECC: https://medium.com/iotex/elliptic-curve-cryptography-iot-security-and-cryptocurrencies-bb4acb73e387 https://medium.com/iotex/elliptic-curve-cryptography-iot-sec...