Looking at this graph/data from blockchain.info:
https://blockchain.info/charts/n-unique-addressesHow can only 600k unique addresses be the total ever to have appeared on the block chain? ( I would understand if this was a graph of unique addresses in the past 24 or 48 hours or some period Like that - but not unique addresses that have ever appeared on the blockchain?? )
(Also why would this number / chart line ever dip down , i.e. Look at a 30 or 60day graph- shouldn't it always be increasing or at minimum staying the same from day to day?)
I guess what is also confusing to me, is that the only way to get bitcoins into an address is to perform a transaction (short of mining a block) , so 600,000 unique addresses (total , ever) Divided by $40 billion (about @ 2300$ Per btc) total value of all outstanding bitcoins equals an average address value of around $61,000
I'm just so confused by this graph and was hoping someone could shed some light - wouldn't this also mean that less than 600,000 people worldwide have ever done a btc transaction ( because one person could of course have multiple addresses, but even if everyone only had one address it would mean only 600,000 addresses have actually been used in a valid transaction- right?)
Thanks!
Edit: maybe this means unique IP addresses ? ( if so I really think blockchain.info should specify this, either at the top of the graph or on their "charts" page where they give a bit of a description for each graph/data set)