Seller has 100k BTC available for purchase using following procedure;
Seller agent sends an loi after listening to what the buyer wants. Also sends a blank attorney attestation letter for buyers attorney to sign to proof up for two tranches.
They return that and then agent sends out the contract. Buyer signs it, and returns, seller countersigns and shows proof of coin.
Then we tranche, buyer sends first tranche to designated attorney escrow at 9am eastern time and simultaneously, too, bitcoin goes to the buyer’s wallet designated on first tranche. Funds do not leave escrow until buyer confirms receipt of all coin to escrow attorney.