Published: Jan 16, 2018 1:06 p.m. ET HODL and other ways crypto bulls cope with downdrafts The price of a single bitcoin was tumbling on Tuesday, off 11% at around $12,100, underlining a broad selloff among the world’s virtual currencies spurred by nagging fears of increased regulatory scrutiny in South Korea and elsewhere. That leaves the total value of cryptos tracked by CoinMarketCap.com at roughly $590 billion, the lowest since December and down 30% from a peak reached last week.

To be sure, there are still serious and legitimate doubts about the viability of such volatile, decentralized assets like bitcoin

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that have been described as in the midst of a speculative bubble that is likely to end in tears. Read: Bitcoin is ‘a bubble that is bound to burst,’ analysts warn That said, crypto traders, who have endured a number of cycles, sometimes adopt tactics to protect against loss or to get in to position for future trading, similar to those used by investors in the Dow Jones Industrial Average

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 or the S&P 500 index

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gold futures

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 or fiat currencies.

Check out: Dimon’s many bitcoin moments of regret, in one chart Given the atmosphere of bubbliciousness surrounding the sector, none of the following should be taken as investment advice. Still, they offer a look at how some crypto traders think: Many cryptocurrency investors have no intention of selling bitcoin or their other digital-asset holdings until cryptos supplant fiat currencies, or until they “moon”, reaching astronomic values, whichever comes first.

Here’s an explanation of the term hodl. The problem with this strategy is the bitcoin and others could potentially sink to zero, in a worse-case-scenario.

That would be particularly crushing to investors who have recently piled in. For those feeling lucky, a decline in the overall value of cryptos may present what some deem an opportunity to buy assets cheaply. Read more from marketwatch.com…

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