Hello !
i'm making a bitcoin shop, i'm on the step for payment them step are ok but i want to make an escrow payment using multisig because i want a seller and buyer protection by escrow, but i don't know how in php the seller and buyer make the sign, because i'm using this script: tutorial for generate bitcoin address and multisig address
So i'm on the last step for multisig i know we need 2 signatary for sign a transaction, but how a buyer or seller can make the sign with the code in this tutorial
