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Kano
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Ask kano pool if his works like that.
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My pool requires an account: which is an email address and a payout address.
gmail makes it simple to create email addresses ...
You can increase the security of your account with 2FA also.
My pool also shows you API and web based numerical and graphical statistics, so it's easy to see how you are performing,
not just some random inaccurate 'right now' value, that anyone on the internet can also see on that 'anonymous' pool.
(and on my pool you
can give others secure web based access to your account using your API key, but only access to the statistics, not the account information)
The fact that your miner is mining to the pool with a payout address sent over the internet,
and anyone can look at your account on that 'anonymous' pool,
and if you find a block on that pool, it is public information of which bitcoin address found it,
makes the belief that it is 'anonymous' mining sketchy at best.