A Secure Offline Bitcoin Payment System

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A paper titled Secure Wallet-Assisted Offline Bitcoin Payments with Double-Spender Cancellation ( https://www.ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/system-security-group-dam/research/publications/pub2017/asia084.pdf)was released a while earlier. The paper proposes the first option for safe and secure Bitcoin offline payments using an offline wallet with several uniquesecurity mechanisms to avoid double-spending and to confirm the coin credibility in offline setting.There are three stages: Online Bitcoin preloading.Offline Bitcoin payment.Online redemption of coins and cancellation of double costs attacks.In the very first phase, the payer X produces pre-loading deal τl( action 1)that transfers some bitcoins from her standard Bitcoin account x to the offline wallet’s account w , so that the balance of w ends up being positive. This is done by means of standard online Bitcoin transaction, for which the network creates n-transaction confirmation n-Tl. In the second stage the payer X requests W to produce an offline transaction τo with the desired quantity predestined to the account y (step 3). In the third phase, the payee Y redeems the bitcoins he received offline by broadcasting τo into the Bitcoin network(action 4)and optionally getting network confirmation n -To (action 5). The network verification will just be provided, if the network has actually not identified a double-spending attack versus τo. Otherwise, the …

Bitcoin and Altcoins continue to fall, when the bull market returns?

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In the week in review only 5 crypto-currencies from the Top 100 according to market capitalisation (excluding Tether) is in the positive area for the past seven days. Also this week, the bear dominates the crypto market. A lot of questions now, what time is now, finally, the reversal of the trend, and the return of the bull market? Only Skycoin (+ 18 %)*, Bytom (+ 28 %)*, Ontology (+ 46 %)*, Mithril (+ 348 %)* , XPA (+ 377 %)* over the past seven days. The market capitalization of the entire cryptocurrency market saw a further drop of about 325 billion to 254 billion USD. In our article of Thursday evening, we have already reported in great detail about our opinion of the events and the reasons that could drive the market currently. We have discussed, to what extent has the crypto-currency market, although Similarities to the Dotcom bubble of 2002, Bitcoin, or Ethereum are still no bubble. In addition, we have a number of Considerations when it may lead to the reversal of the trend and the next “Bull-Run”. Bitcoin and crypto market is plummeting: now Comes the great crypto Crash? These Considerations, we want to lead at …

Bitcoin Unicorn Circle Records a 30% Spike in New Institutional Clients in May

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Just like your eccentric uncle swears to have seen Bigfoot, the Loch Ness Beast, or– for the West Virginia readers among us– Mothman, many market experts have actually claimed for months to have seen evidence that institutional financiers are preparing to go into the cryptocurrency markets in a significant way.This occasion, the oracles foretold, would break the backs of the bearsand propel the bitcoin pricetoward a new all-time high– possibly even by mid-year. The months dragged on, the bitcoin cost continued to plunge, and yet the long-fabled introduction of the institutional messiahs never showed up– much to the pleasure of/ r/Buttcoin. That may be changing, at least according to one over the counter (OTC) cryptocurrency trading desk, which helps with off-book trades for organizations, hedge funds, and other large-scale buyers and sellers.Speaking with CNBC, Circle CEO Jeremy Allaire said that, his company’s institutional trading desk– Circle Trade– experienced a 30 percent increase in brand-new institutional clients in May, even as the bitcoin rate plunged within sight of its year-to-date low (a mark it eventually crossed last weekend).”In Might, which was a difficult month, we saw a sharp boost of distinct new counter-parties,” Allaire stated. “A great deal of folks on …

Ant Financial Reveals Blockchain-Based Cross-Border Remittance Service

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https://mms.businesswire.com!.?.!Blockchain advocates have long visualized the nascent technology as the answer to the significantly rising charges levied by the multi-billion-dollar remittance industry. Although its transition to the mainstream has actually taken rather a while, it appears that Blockchain is now poised to go to head with long-established global remittance companies.On June 25, Alibaba’s payment affiliate Ant Financial has unveiled a Blockchain-based cross-border remittance service. Throughout a press conference kept in Hong Kong, the company divulged that the service will be at first presented for consumers domiciled in Hong Kong and the Philippines.Ant Financial’s new service was released in collaboration with British international Financial services company Requirement Chartered, a banking institution that has long been associated with Blockchain-based cross-border settlements along with other banks in Thailand.As Ant Financial highlighted, by incorporating Blockchain innovation to its AlipayHK service in partnership with Philippines-based mobile cash service GCash, users are now able to settle remittance transactions within seconds sans any intermediaries.Explaining the inspiration for launching its remittance service, Alibaba executive chairman Jack Ma mentioned with the South China Early Morning Post (SCMP)that:”This originates from a pledge I made a very long time ago when Alipay was simply introduced. I have Filipino friends who asked …

Litecoin Reaches Market Capitalization of $4.43 Billion (LTC).

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Litecoin (CURRENCY:LTC) traded down 5.2% against the dollar during the twenty-four hour period ending at 21:00 PM E.T. on June 4th. One Litecoin coin can currently be bought for $77.55 or 0.01271800 BTC on cryptocurrency exchanges including Coinrail, COSS, BTC-Alpha and OkCoin Intl.. In the last seven days, Litecoin has traded 20.6% lower against the dollar. Litecoin has a total market cap of $4.43 billion and approximately $263.68 million worth of Litecoin was traded on exchanges in the last 24 hours. Here’s how similar cryptocurrencies have performed in the last 24 hours: Verge (XVG) traded down 5.6% against the dollar and now trades at $0.0225 or 0.00000368 BTC. Bytom (BTM) traded 10.3% lower against the dollar and now trades at $0.33 or 0.00005484 BTC. Dogecoin (DOGE) traded down 0.5% against the dollar and now trades at $0.0025 or 0.00000041 BTC. Syscoin (SYS) traded 3.2% lower against the dollar and now trades at $0.18 or 0.00002950 BTC. CyberMiles (CMT) traded 7.9% lower against the dollar and now trades at $0.14 or 0.00002261 BTC. Polymath (POLY) traded down 11.1% against the dollar and now trades at $0.27 or 0.00004445 BTC. Matrix AI Network (MAN) traded down 8.4% against the dollar and now …