BCHA is a cryptocurrency that was created during the recent Bitcoin Cash chain split. The official coin branding and website it. BCHA has a unique funding feature called the coinbase rule. It finances network development predictably from the BCHA block reward. BCHA is a cryptocurrency that was created during the recent Bitcoin Cash chain split. The official coin branding website it. BCHA has a unique funding feature called the coinbase rule. It finances network development predictably from the BCHA block reward. How to Split your Bitcoin Cash (BCH) and Bitcoin ABC (BCHA)? Visit the official ABC Splitting site