I'm looking for a pre-market NASDAQ chart
Could you find for me a accurate NASDAQ pre-market chart
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?
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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