what are the addresses to which sent the premine?
As far as I know the premine is currently held by 4 people.
Joey (core dev), Almindor (GUI Wallet), Teka (PR & Community) and me (Design & Community).
I do not exactly know where or how much each of the others has so before I say any wrong numbers I only speak for myself.
I have been sent 50k coins, the account is 0x434459a0b859d812a5127bd61e51fc71c98b3825. From there I have paid out 2200 SHF for the first Block Explorer by AltSheets (which sadly didn't last long) and 1 SHF as a "test transaction" to his account. Also I have paid 2000 SHF to myself for running costs. Those were sent to Bittrex but have not been sold.
I'm sure the others can fill in their details too.
As we stated we will be looking for a reputable escrow or DAPP solution to lock a certain amount. However this is not my decision to make.