hmm, I disagree. I think having an account is a big hook. The stats tracking is really nice, and it makes depositing more straightforward. I feel like I'd have to read your idea more than once to understand, and maybe others would too. IMHO.
Not what I am saying Honest bob, I am implying that you can make an account, or opt not to.
Your offer two choices. There is a game that make account making unnecessary.
And some there is, as of customizing.
I am just offering two choices, and I think to some players they would prefer this.
Some would want an account and some wouldn't
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Set amount addresses:
Bob sends 1 BTC to set-address. Its queued 1/2 for spots.
Tom now can send to this address, any amount from 0.01> no greater then 1 BTC.
So first player odds will always reside at 50% and no less.
If I send 0.01 BTC I take a small chance of getting Bob's 1 BTC.
Non set amount addresses:
Tom sends 1 BTC to Non set-address. Its queued 1/2 for spots.
Dave sends 10 BTC to Non set-address. Its now 2/2 spot.
And Dave takes a 9/10 of getting Tom 1 BTC.
These limit at 10 BTC, and same for above.
For non set amount, the first player money
can be staked for less then 50%,
and for first option, it will be forced at 50% or greater.