130BTC would be a decent price for a 3-module Avalon but we're talking about a 4-module unit here, with 33% more performance for the same size box!

That would not be a smart thing to do.


Transactions are not instant because it is possible to create a transaction that will never be added to the block chain. You really don't know that you have received the bitcoins until there is at least one confirmation.


You can't transfer bitcoins securely by transferring a file. He can give you a copy of a wallet, but then he still has access to the bitcoins in the wallet.

Solution: Hire an escrow service.

Paypal does not allow payments over 10k each. So I assume the amount is greater than that. It could be a scam, but it could be real.

I would get photo identification (scan copy). Copy of utility bill. And do a webcam with the person holding the ID to prove identity. You also deposit the money into their bank account after signing an agreement. Before depositing, ask the teller if the name of the account matches the sellers.