Boom, bust and bewildered: Bitcoin’s year so far

If you’re a bitcoin investor, your nerves may have taken quite a pounding in 2021
Buyers beware as “altcoin” frenzy bruises bitcoin

Bitcoin’s smaller rivals are eroding its share of the $2 trillion digital currency market. Of the dozens snapping at its heels, most have little use beyond financial trading – but few of the investors fuelling their rise seem bothered.