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.
If you can receive EURO I can hel you with OTC but your funds need to be in one of the following cryptocurrencies: Bitcoin, Ethereum, Dash, NEM
SKype: amadeual
Thank you