Evaluate the potential profitability of Facebook’s investment in blockchain-based digital identity solutions.

Cost Components	Fixed Costs ($)	Variable Costs per User ($)	User Volume (units)
Blockchain Digital Identity Solutions	8,500,000,000	20	300,000,000

Requirements:

Calculate the total project cost.

Determine the break-even point for blockchain digital identity solutions.

Analyze potential revenue from identity verification services.

Conduct a scenario analysis on regulatory compliance costs.

Provide recommendations for optimizing blockchain digital identity solution costs.