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That lack of widespread adoption, plus crypto’s volatility, limits its use as a currency, says Roger Aliaga-Díaz, principal and senior economist with Vanguard Investment Strategy Group.

Pips are the units used to measure movement in the price of a cryptocurrency, and refer to a one-digit movement in the price at a specific level. Generally, valuable cryptocurrencies are traded at the ‘dollar´ level, so a move from a price of $190.00 to $191.00, for example, would mean that the cryptocurrency has moved a single pip. However, some lower-value cryptocurrencies are traded at different scales, where a pip can be a cent or even a fraction of a cent.
As we don’t know exactly how to classify them, it’s difficult to attribute a direct causality to a specific factor and a crypto’s rise or dive in value.