Take XRP for an example, what has "constant problems with regulations" got to do with its function? You can find out its function here with a quick browse of the ripple website. Source: over 1 year ago

Suggest you read up and learn from https://ripple.com/xrp/ before posting. Source: almost 2 years ago

The cheapest withdrawal fees on Bitstamp are XRP which is only 0.02 XRP to withdraw and XLM which is only 0.005 XLM. Source: almost 3 years ago

"RippleNet customers can use XRP for sourcing liquidity in cross-border transactions, instead of pre-funding—ensuring instant settlement, lower exchange fees and more efficient use of working capital." https://ripple.com/xrp/. Source: about 3 years ago

Bitstamp’s withdrawal fees for crypto are high for some coins however XRP is only 0.2 XRP to withdraw. Source: about 3 years ago

Write down everything you remember while it is still fresh, including all BTC addresses. You can even store a hash of your notes in the blockchain as proof of existence. Source: about 1 year ago

If that's not enough, you could publish a hash. Proof of Existence is a service that adds it to the blockchain so you can always prove it, but realistically that's overkill and I'm sure sticking it on Google Drive would be enough. Source: over 1 year ago

Bitcoin has proofofexistence.com. It hashes a file via the browser and stores the result in OP_RETURN. The current fee is around $7, which is no longer practical. Source: about 2 years ago

Proof Of Existence is a service for this. You take the hash of the photo, then when you're picking random numbers to mine bitcoin, pick numbers that start with that. Once you've successfully mined a block, that number will be stored in the blockchain. Source: over 2 years ago