Nelson primarily invests in low cost index funds because “I can see history on that,” she says. The newness of cryptocurrency and lack of trackable data make her wary of these crazy swings.
Cryptocurrency’s technical foundations date back to the early 1980s when an American cryptographer named David Chaum invented a “blinding” algorithm that remains central to modern web-based encryption.

Like all cryptocurrencies, the majors are digital assets that secure and verify transactions using computer science and complex mathematics, known as cryptography. Unlike traditional (‘fiat’) currencies, they are not currently issued or backed by a central authority such as a government. Instead, they run across a network of computers and are underpinned by blockchain technology – a permanent record of transactions that cannot be altered without the consensus of the network.
Fig 7. Visualisation of the average wavelet coherence values for bubble (solid) and non-bubble (dashed) regimes decomposed by period band.