PlanB (@100trillionUSD) is a former Dutch institutional investor with 25 years of experiences in financial markets.

He has a legal and quantitative finance background and has always been fascinated by modeling risk & return.

In March 2019 he created the Bitcoin Stock-to-Flow (S2F) model where he uses scarcity to quantify Bitcoin value. A year later he introduced the Stock-to-Flow Cross Asset (S2FX) model, which includes gold, silver, diamond and real estates. He is now primarily focusing on Bitcoin valuation models, on-chain analysis and investment strategies.

Follow him on Twitter at @100trillionUSD.