in bittrex i see a red mark to do the submission, and will it be 1st august we will not be able to send bitcoin?
And I saw on one website, SEGWIT has been running, and will end on August 2, then what will happen on August 1
Bittrex disabled withdrawals and deposits of bitcoin for now to prevent problems from their users. It will be enabled again probably on or after August 1.
For further information, here's an article on segwit:
https://cointelegraph.com/explained/segwit-explainedWhat will happen on August 1? Possibly a hard fork. Creating a new cryptocurrency, Bitcoin cash.