How does tripling the number of users in a year is meaningless ?
How is the number of people estimated ?
COuldn't it just be multiple wallets ?
Yes it absolutely could. Description of chart is :
Number of wallets hosts using our My Wallet Service
A more meaningful number would b the amount contained within those wallets as many people use them as a 'disposable resource' using one, transferring funds and never using again. I am pretty sure that number is included in this stat (tho not certain).
Alternatively, the number of wallets with zero balance or just dust would also be a useful number, so it could just be deducted from this number.
Calling this chart 'numbers of users' is definitely misleading IMO. Number of wallets CREATED would be a better title for this chart I believe, as it almost certainly includes both empty wallets and multiple wallets from the same users, which ain't really growth. It can only ever go up ...
Not saying number of wallet users isn't growing, just saying I don't think you can conclude this from chart alone.