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You can use GoUrl.io Bitcoin Escrow Wordpress Plugin for All Appthemes.

1) install any appthemes - http://www.appthemes.com/themes/
2) install bitcoin gateway with escrow support  - https://wordpress.org/plugins/gourl-appthemes-bitcoin-payments-classipress-vantage-jobroller/

Collect the escrow funds from the buyers in a similar way as normal payments. GoUrl will forward all payments to your wallet address/es (as website owner). When the project/order completed, GoUrl will send you email notifications that you need to send the payment to the seller (or make refund to the buyer) from your wallet address manually.

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