What standards does a valid Ethereum address need to meet, can it be simply a random number in hexadecimal? Here's an case in point light system that could be operate in Python (including offline) that can generate a cryptographically-safe random number (utilizing the techniques library) to seed the private key, https://adirectoryplace.com/listings12864912/the-2-minute-rule-for-trc20-trade-key-generator