"So far multiple exchanges have issued contingency plans and warnings about the possible network changes planned. This includes exchanges such as :
- Bity,
- GDAX and Coinbase,
- China’s top three trading platforms,
- and thirteen Japanese cryptocurrency exchanges
have made statements concerning these events.
On August 1 specifically, these exchanges say they will likely disable deposits and withdrawals, and possibly halt trading as well.
In addition to the announcements from nineteen global bitcoin exchanges on July 19, the firm Coinbase announced it would not support the user-activated hard fork and its associated token."
