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If sellcted others, clarify which game and why?
I like the provably fair of Plinko in Luckyb.it and i will explain why...
The bet result comes from the bitcoin transaction and the secret key
::
As they explain in their site:
is the transaction id of your bet as assigned by your wallet. (This data is controlled by you.)
is the rank of the output of your bet within the transaction's list of outputs. (Rank starts at 0 and is controlled by you.) This produces different lucky moves for each bet if you play several bets within a single transaction.
is the secret key of the day. It is unknown to you at the time of playing, but the hashes of all keys have been are published in advance, so nobody can modify these keys. The day of your bet is determined by the moment LuckyBit receives your bet's transaction. (Typically 1 to 10 seconds after you sent it.)
From the hash of ::, LuckyBit takes the binary representation of the last 2 bytes and read it from the left side. The bits determine your lucky moves: A 1 translates to a right move, a 0 to a left move. For instance, if the hexadecimal hash ends with ffff, your coin would always go right as the binary string would contain sixteen 1 and no 0
I haven't see another PF engine like this, and i love how the bet result comes from the TX id.