What happened to Coinbase in April?

In April, Coinbase, a leading cryptocurrency exchange, experienced significant turbulence. Could you elaborate on the key events that unfolded during that month? Did the platform encounter any technical difficulties or security breaches? Were there any significant changes in its operations or policies? Did it experience any regulatory scrutiny or legal challenges? Furthermore, how did these events impact Coinbase's user base, trading volumes, and market position in the cryptocurrency ecosystem? Your insights into these matters would be greatly appreciated.