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Best solution for backend BSV hot-wallet

I am looking for a solution to implement a backend hot wallet. It needs to be able to spend pretty much instantly upon API call. The refilling of the wallet can happen manually, but it needs a way to generate a new address and output it somehow so I can refill it. Bonus points if the backend wallet has a way to resolve paymail addresses. Bonus points for links to the respective library. Also helpful to know which proprietary systems exist which could be contacted to see if their system could be leveraged.

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Difference(s) Between Anonymity and Privacy

I’ve been told the difference between privacy and anonymity in Bitcoin is: Anonymity = untrackable and Prvacy = undisclosed but trackable. Can you elaborate on the details of each of these meanings? For instance, trackable by whom? And undisclosed to whom? HOW is it tracked? etc

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Double hash in Bitcoin

what exactly is this? Does this mean every TX gets hashed twice? How does it help to filter the content from the block chain (As Dr. Wright said)? Why cant i hash it just once and save the hash of the TX and prune the data (illegal)? Isnt the content now filtered with just a single hash? or am i getting it wrong?

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How can Bitcoin help us fight with Coronavirus?

We are looking for ideas about how could Bitcoin help us to fight the Coronavirus (or any future) pandemic.

Think about ways Bitcoin could help individuals through this, but also about how it could help health care systems to more efficiently cope with increased number of cases.

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How is it decided whether a question has been answered satifactorally or not on BitQ&A?

How is it decided whether a question has been answered satisfactorily or not on BitQ&A? If I pose a question and someone answers do I have to approve their answer and then authorise payment?

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