Wavelet coherence plots as above highlight areas in the time-frequency space where the two series co-move. The warmer the colour, the higher the coherence (which can be interpreted as correlation) at that location in the time-frequency space; the colours used in this work range from dark blue (0, no coherence) to yellow (1, strong coherence). Statistically significant areas of coherence are surrounded by a thick black line.
Cryptocurrency trading is a new, and growing, feature of the crypto world. Trading is separate from crypto’s use as a monetary system. Instead, users buy and sell cryptocurrencies as they would buy and sell shares of a company. Purchasing stock grants gives you ownership in a company, whereas purchasing a token grants you ownership of that cryptocurrency. In the U.S. tax system, cryptocurrency transactions are viewed in the same way as stock trading transactions. This reflects how most users are making money from the crypto world.

Due to their political independence and essentially impenetrable data security, cryptocurrency users enjoy benefits not available to users of traditional fiat currencies, such as the U.S. dollar, and the financial systems that those currencies support.
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