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Bitcoin peaked above $19,000 in December 2017 before crashing back to earth in the succeeding months. Image Credit: Reuters

Bitcoin jumped above the $7,000 level as its longest winning streak since 2013 continued to rekindle the global cryptocurrency market.

The advance comes only a few days after the digital asset broke through $6,000, and looks set to boost investor interest in conferences on the technology underlying the biggest crypto asset taking place in New York this week. Bitcoin's latest surge happened on Saturday, when the two U.S. exchanges carrying futures are closed, making it potentially difficult for short sellers to cover their wagers.

"Bitcoin is acting differently since moving above its 200-day moving average" and the gains are occurring on strong volume, Fundstrat co-founder Tom Lee, a noted Bitcoin bull, wrote in an email. Blockchain Week is underway, co-sponsored by the New York City Economic Development Corp., and the Consensus forum is set to start, where people are "expecting a higher-quality conference," Lee said.

With fundamental analysts often struggling to explain crypto markets, traders have recently pointed to institutions increasingly embracing digital coins. The likes of Fidelity Investments plans to buy and sell Bitcoin for institutional customers soon, and E*Trade is dipping into the trading space.

Earlier this month, the Bank of Canada and Monetary Authority of Singapore announced that they had sent each other digital currencies using blockchain technology.

The most well-known digital token rose as much as 14% on Monday to as high as $7,174.63, then pared the gain to 13% according to composite prices compiled by Bloomberg at 11:57 a.m. London time. Rival coins surged in a broad rally, with Bitcoin Cash up 24%, and Litecoin and Ether both at least 11% higher.

Hedge funds and other investors had increased their net short bet against Bitcoin in the week through May 7, the U.S. Commodity Futures Trading Commissions said Friday. When trading opened on Monday, futures traded on CME opened 12% higher.

While Bitcoin has more than doubled from its post-crash low, the crypto space is by no means free of headaches.

Binance, a large crypto exchange, reported a hack of 7,000 Bitcoins with about $40 million. The companies behind the digital exchange Bitfinex and the cryptocurrency Tether recently said that the so-called stablecoin is backed by cash and short-term securities only equal to 74 percent of the outstanding coins rather than completely pegged to the U.S. dollar.

And that's aside from the volatility - Bitcoin peaked above $19,000 in December 2017 before crashing back to earth in the succeeding months.