https://teamapt.zendesk.com/hc/en-us/community/posts/22296895093405-Is-Coinbase-open-24-7-Does-Coinbase-works-24-hours-Call-Any-Time
https://www.hoyolab.com/article/34273875?create=1
https://www.socitrix.com/blogs/1510/Is-Coinbase-open-24-7-Does-Coinbase-works-24-hours
http://149.129.116.2/thread-37389.htm
https://herbalmeds-forum.biolife.com.my/d/193755-is-coinbase-open-247-does-coinbase-works-24-hours-call-any-time
https://community.clover.com/questions/83216/is-coinbase-open-247-does-coinbase-works-24-hours-1.html