Bitcoin mencapai $ 1.900 untuk mencapai rekor tinggi dengan tutup pasar mencapai $ 4 miliar minggu ini saja

• Harga Bitcoin mencapai rekor tertinggi pada hari Jumat, menembus $ 1.900 untuk pertama kalinya.
• Kapitalisasi pasar Bitcoin telah meningkat lebih dari $ 4 miliar dalam lima hari.
• Jepang dan Korea mendorong perdagangan, dengan ketidakpastian politik dan perdebatan mengenai masa depan teknologi dasar bitcoin yang mendorong sentimen investor.

Bitcoin menembus angka $ 1.900 untuk pertama kalinya pada hari Jumat, mencapai titik tertinggi sepanjang masa, didorong oleh ketidakpastian politik global dan perkembangan kunci di dalam dunia kripto-kardiak.

Mata uang digital diperdagangkan pada sekitar $ 1.951,87 pada hari Jumat pagi, menurut indeks harga bitcoin CoinDesk. Tingkat saat ini menandai kenaikan lebih dari 6,8 persen dari seminggu yang lalu.

Kapitalisasi pasar Bitcoin sekarang $ 31,89 miliar, naik lebih dari $ 4 miliar mulai Senin.

Sejumlah faktor bertanggung jawab atas kenaikan bitcoin, dari meningkatnya perdagangan di Jepang hingga perdebatan mengenai masa depan teknologi dasar bitcoin.

Jepang dan Korea mendorong perdagangan 

Volume perdagangan dalam yen Jepang dan won Korea telah meningkat dan digabungkan menjadi sekitar 48,6 persen perdagangan, menurut data situs CryptoCompare. Itu berkat undang-undang yang baru saja dikeluarkan yang memungkinkan pengecer di Jepang mulai menerima bitcoin sebagai mata uang legal.

Sejak saat itu, Jepang telah menjadi pendorong besar perdagangan bitcoin.

Harga Bitcoin terus mencapai rekor tertinggi baru  Kamis, 11 Mei 2017 | 9:17 ET 00:43

Japanese yen bitcoin markets are also trading higher than U.S. dollar markets, with the yen-bitcoin cross trading at 228,783.29 yen or $2,058. This is higher than CoinDesk's bitcoin price index. Given that the Japanese yen has the highest share of bitcoin trading at the moment, this is helping push prices higher.

"Arbitrage between the fiat pairs drags markets up or down in line with leading markets. At present, volumes on the KRW and JPY pairs dominate trading with a combined 48 percent market share," Charles Hayter, CEO of CryptoCompare, told CNBC by email on Friday.

Political uncertainty

In the past, bitcoin has acted as a safe haven for investors worried about political instability and the performance of other asset classes.

U.S. equities saw a sell-off this week before rebounding, while the political establishments in America and Brazil are facing potential scandals.

Investors are concerned that President Donald Trump might not be able to deliver on his promise of tax reform, deregulation and infrastructure spending. At the same time, a report on Tuesday said that Trump allegedly asked ousted FBI Director James Comey to "let go" of the investigation into former national security advisor Michael Flynn.

Elsewhere, Brazilian President Michel Temer allegedly authorized bribes to silence a witness in a corruption scandal.

Political turmoil in the world could be supporting bitcoin, analysts said.

The 'fork' debate

Behind the scenes, there is a debate in the cryptocurrency world about the underlying technology behind bitcoin known as the blockchain. At the moment, bitcoin transactions are taking an unusually long time to process and come with high transaction fees.

Many in the community wanted to initiate what is known as a "hard fork". This would have led to the creation of two separate digital currencies. For the full explanation of the debate, click here.

Chris Ratcliffe | Bloomberg | Getty Images

A bitcoin token stands next to a collection of U.S. one dollar bills in this arranged photograph in London, U.K., on Wednesday, Jan. 4, 2017.

But an experiment with another cryptocurrency called Litecoin showed that a "hard fork" might not be needed and this has buoyed investors. The idea shown with Litecoin — the full explanation of which can be found here — showed the bitcoin community that there is a chance to speed up transactions and the backlog that has ensued.

"The new developments on Litecoin, which is experimenting with alternative scaling solutions may offer a brighter future for bitcoin, and a longer-term price increase, if those similar solutions can be applied to its network," Aurelien Menant, founder and CEO of Gatecoin, a regulated bitcoin and ethereum token exchange based in Hong Kong, told CNBC by email.

Where next for bitcoin? 

In the annual "Outrageous Predictions" produced by Steen Jakobsen, chief economist at Saxo Bank, in December, it was noted that bitcoin could hit $2,000 in 2017. This now looks very likely and others have put a higher price target on it.

Gatecoin's Menant previously told CNBC that bitcoin prices should climb beyond $3,000 this year.