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Glossary Technology & AI

Encryption

Encoding data so only someone with the right key can read it. End-to-end encryption means the service carrying the message cannot read it either.

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Index

A measure of a slice of the market, such as the S&P 500 or the FTSE…

Recession

A significant, broad decline in economic activity lasting more than a few months. The rough-and-ready definition…

Artificial intelligence

Software that performs tasks normally associated with human judgement, such as recognising images or writing text.…

Spot ETF

An exchange-traded fund that holds the asset itself rather than futures contracts on it. A spot…

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