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Digital assets and currencies

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

Trading basics

Extended Validation Certificate

An Extended Validation (EV) Certificate is a certificate conforming to X.509 that proves the legal entity of the owner and is signed by a certificate authority key that can issue EV certificates. EV certificates can be used in the same manner as any other X.509 certificates, including securing web communications with HTTPS and signing software and documents. Unlike domain-validated certi

Trading basics

Global trade of secondhand clothing

The global trade of secondhand clothing is a long-standing industry, which has been facilitated by the abundance of donated clothing in wealthy countries. This trade accounts for approximately 0.5% of the total value of clothing traded worldwide, while by weight it accounts for 5%. However, in some countries, imported used clothing constitutes the majority of clothing purchased and used.

Trading basics

Moda Health

Moda, Inc. (formerly ODS Health) is a health insurance company based in Portland, Oregon. The company provides medical and dental insurance in Oregon, Alaska and Texas (and in Washington State before 2016). The Moda Center, a sports arena that is home to the Portland Trail Blazers, and Moda Tower, the tenth-tallest building in Portland, are both named after the company. Moda Health is a