https://ppf.ucsf.edu/sites/ppf.ucsf.edu/files/webform/Why%20Is%20My%20Coinbase%20Transaction%20Stuck%20or%20Pending%20%20Call%20%E2%95%91%20%E2%9C%A7%20%2B1%20%E2%87%A2%20%5B833%5D%20%E2%87%A2%20%5B534%5D%20%E2%87%A2%20%5B2357%5D%20%E2%95%91%20for%20Quick%20Help.pdf