There is no blockchain balance. Blockchain is a technology system, not related to economy. Bitcoin is a payment made to promote blockchain technology. You can convert
Bitcoin to cash on exchange through the exchange, you can find a seller from a country you are on
https://localbitcoins.com.
Maybe he do mean blockchain.info wallet balance? but quiet confusing since he didnt mention about its a wallet or literal the blockchain thing thing. Lets assume this is a blockchain balance then you can easily make it turn into real money. Localbitcoins would be the place and also there are exchange that do easily make convertions that you can easily exchange your btc to local fiat then directly withdrawn to your bank.