Recommend what investment clients should do regarding cryptocurrency,

based on the information from the articles:

• How blockchain technology works.
• The concept of a "digital token."
• How bitcoin mining works.
• A general description of the rises and falls of crypto currency since its creation.
• The greater degree of regulation.
• The environmental impact of crypto mining.
• The recent extreme fluctuations in the price of bitcoin.
• Using cryptos as a hedge against inflation.
• Acceptance by major financial institutions.
• The importance of watching the market closely.
• Staying in for the 'long game.'