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Digital assets and currencies

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

Banking

Adjustable-rate mortgage

A variable-rate mortgage, adjustable-rate mortgage (ARM), or tracker mortgage is a mortgage loan with the interest rate on the note periodically adjusted based on an index which reflects the cost to the lender of borrowing on the credit markets. The loan may be offered at the lender's standard variable rate/base rate. There may be a direct and legally defined link to the underlying inde

Banking

Prime rate

The prime rate or prime lending rate is an interest rate used by banks, typically representing the rate at which they lend to their most creditworthy customers. Some variable interest rates may be expressed as a percentage above or below prime rate.

Trading basics

Real bills doctrine

The real bills doctrine says that as long as bankers lend to businessmen only against the security (collateral) of short-term 30-, 60-, or 90-day commercial paper representing claims to real goods in the process of production, the loans will be just sufficient to finance the production of goods. The doctrine seeks to have real output determine its own means of purchase without affecting

Finance

Speculative attack

In economics, a speculative attack is a precipitous selling of untrustworthy assets by previously inactive speculators and the corresponding acquisition of some valuable assets (currencies, gold). The first model of a speculative attack was contained in a 1975 discussion paper on the gold market by Stephen Salant and Dale Henderson at the Federal Reserve Board. Paul Krugman, who visited