• https://library.fortlewis.edu/Portals/7/LiveForms/temp/resolve-coinbase-problems-smart.pdf
• https://library.fortlewis.edu/Portals/7/LiveForms/temp/resolve-coinbase-problems-help.pdf
• https://library.fortlewis.edu/Portals/7/LiveForms/temp/resolve-coinbase-problems-guide.pdf