Bitcoin exchanges

https://www.coinexchange.io/market/ZCL/BTC

https://shapeshift.io/#/coins

bitwala

https://www.buybitcoinworldwide.com/south-africa/

https://www.buybitcoinworldwide.com/kb/buy-bitcoin-without-verification-id/#bitcoin-otc

https://next.exchange decentralized

https://c-cex.com/?p=sib-btc sibcoin

https://liqui.io/