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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Fiat currencies

Currency substitution

Currency substitution, also known as dollarization, is the use of a foreign currency in parallel to or instead of a domestic currency.

Banking

Euro short-term rate

The Euro Short-Term Rate (€STR) is a reference rate for the euro. This interest rate can be used as the rate referenced in financial contracts that involve the euro. €STR is administered and calculated by the European Central Bank (ECB), based on the money market statistical reporting of the Eurosystem. According to the indications of the working group on euro risk-free rates, €STR repla

Fiat currencies

Snake in the tunnel

The snake in the tunnel was a system of European monetary cooperation in the 1970s which aimed at limiting fluctuations between different European currencies. It was the first attempt at European monetary cooperation. It attempted to create a single currency band for the European Economic Community (EEC), essentially pegging all the EEC currencies to one another.

Networks

ZachXBT

ZachXBT, also identified as Zachary Wolk is a pseudonymous American blockchain investigator and open-source intelligence (OSINT) researcher known for independent forensic investigations into cryptocurrency fraud, scams, and thefts. He has been active on X (formerly Twitter) since 2021, publishing detailed investigative threads that trace stolen funds, expose rug pulls, and identify perpe