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An anonymous reader quotes CryptoCoinsNews: It should be no surprise that the elusive hunt for Satoshi, often referred to as the father of Bitcoin, has led to the theory that Elon Musk has been hiding a big secret from all of us. Sahil Gupta, a computer science student at Yale University and former intern at SpaceX, believes just this... Bitcoin was written by someone with mastery of C++, a language Musk has utilized heavily at SpaceX. Musk's 2013 Hyperloop paper also provided insight into his deep understanding of cryptography and economics...

One week before Gupta's Medium post on Musk, another Medium blog was published with a theory that Musk invented Bitcoin for future use on Mars. As radical as this may sounds, the point around Paypal in this article was relevant. Musk has already revolutionized digital currency with his founding role in Paypal, which he sold to eBay in 2002. The author claims Musk is under a non-compete from this deal, leaving him to secrecy about his role in Bitcoin.
Gupta's article cites other clues that suport his theory, including Musk's interest in solving global problems, his unusual silence on the topic of cryptocurrencies, and the fact that "Elon has said publicly he doesn't own any bitcoin, which is consistent with a 'Good Satoshi' who deleted his private keys. This means Satoshi's one million coins (worth about $8 billion) are gone for good." And of course, with a net worth of $19.7 billion, Elon Musk is one of the few people who wouldn't need the money.

UPDATE (11/28/17): On Twitter, Elon Musk has responded, saying the rumors that he created Bitcoin are "not true."

An anonymous reader quotes CNBC: Bitcoin is getting a Black Friday boost. The digital currency climbed above $8,700 to a record high Saturday following increased investor interest around the U.S. Thanksgiving holiday and Black Friday shopping. Bitcoin rose more than 6 percent to a record high of $8,725.13, according to CoinDesk, trading around $8,674 midday on Saturday. [Bitcoin passed $8,000 for the first time just six days earlier]. Another digital currency, ethereum, also hit an all-time high of $485.18, according to CoinMarketCap [rising more than 50% from $300 as recently as mid-November]...

The largest bitcoin exchange in the U.S., Coinbase, added about 100,000 accounts between Wednesday and Friday -- just around Thursday's Thanksgiving holiday -- to a total of 13.1 million. That's according to public data available on Coinbase's website and historical records compiled by Alistair Milne, co-founder and chief investment officer of Altana Digital Currency Fund. Coinbase had about 4.9 million users last November, Milne's data showed... The world's largest futures exchange, CME, is planning to list bitcoin futures in the second week of December...another step in establishing bitcoin as a legitimate asset class.
UPDATE (9/26/17): Sunday the price of Bitcoin surged past $9,000 -- just one week after surging past $8,000.

An anonymous reader writes from a report via Softpedia: "The European Commission is proposing the creation of a database that will hold information on users of virtual currencies," reports Softpedia. "The database will record data on the user's real world identity, along with all associated wallet addresses." The database will be made available to financial investigation agencies in order to track down users behind suspicious operations. The creation of this database is part of a regulatory push that the EU got rolling after the Paris November 2015 terror attacks, and which it officially put forward in February 2016, and later approved at the start of July 2016. Legally, this is an attempt to reform the Anti-Money Laundering Directive (AMLD). The current draft is available here. The current AMLD draft reads: "The report shall be accompanied, if necessary, by appropriate proposals, including, where appropriate, with respect to virtual currencies, empowerments to set-up and maintain a central database registering users' identities and wallet addresses accessible to FIUs, as well as self-declaration forms for the use of virtual currency users."

An anonymous reader writes: A recent paper from the University of Illinois at Urbana-Champaign shows that bitcoin mining profits can be increased considerably if mining hardware is allowed to produce occasional errors. The research shows that mining hardware that allows occasional errors ("approximate mining") can run much faster and take up less area than a conventional miner. Furthermore, the errors that are produced by the miner do no corrupt the blockchain since such errors are easily detected and discarded by the bitcoin network. Mining profits can increase by over 30%.

First time accepted submitter groggy.android writes This year's biggest news about Bitcoin may well turn out not to be the repeat of its surge in value last year against the dollar and other state currencies but its impending eclipse by another independent but corporate-backed digital currency. Popularly known as Ripple, XRP shot up in value last year along with other cryptocurrencies that took advantage of the hype around Bitcoin. However, among the top cryptocurrencies listed in Coinmarketcap.com, a site that monitors trading across different cryptocurrency exchanges, Ripple is the only one that not only regained its value after the collapse in the price of Bitcoin but has more than doubled from its peak last year. In September it displaced Litecoin to become the second most valuable cryptocurrency. Even more surpising, a Ripple fork, Stellar, is one of the two other cryptocurrencies in the Coinmarketcap top ten that have risen sharply in value during the last few weeks.

What makes Ripple different from Bitcoin? Strictly speaking, Ripple isn't the name of the digital currency but of the decentralized payment network and protocol created and maintained by the eponymous Ripple Labs. Users of the Ripple system are able to transact in both cryptocurrency and regular fiat currency like the dollar without passing through a central exchange. XRP is the name of the native unit of exchange used in the Ripple network to facilitate conversion between different currency types.

MouseTheLuckyDog (2752443) writes "In a recent story on reason.com it was reported that the DoJ is closing down the bank accounts of porn stars. Not knowing the site I googled around and found another site, the Guardian. The story does not end there. It turns out that this is part of a larger scheme (ironically) called Operation Choke Point. Also reported in a Washington Post article that downplays the practice. According to Cryptocoin news. There are thirty industries the DoJ is now targeteting: Ammunition Sales; Cable Box De-scramblers; Coin Dealers; Credit Card Schemes; Credit Repair Services; Dating Services; Debt Consolidation Scams; Drug Paraphernalia; Escort Services; Firearms Sales; Fireworks Sales; Get Rich Products; Government Grants; Home-Based Charities; Life-Time Guarantees; Life-Time Memberships; Lottery Sales; Mailing Lists/Personal Info; Money Transfer Networks; On-line Gambling; PayDay Loans; Pharmaceutical Sales; Ponzi Schemes; Pornography; Pyramid-Type Sales; Racist Materials; Surveillance Equipment; Telemarketing; Tobacco Sales; and Travel Clubs. But more can be added. (I notice alcohol sales is not on the list)." The Reason article stops short of saying that Choke Point is proven to be the reason for the account closures, but it seems very plausible.

An anonymous reader tipped us to news that several Bitcoin exchanges have joined Mt Gox in suspending withdrawals after being forced out of sync with the Bitcoin network at large. After Mt Gox blamed transaction malleability for forcing them to suspend withdrawals, miscreants started flooding at least Bitpay and Btc-e with bogus transactions. Quoting the Bitcoin Foundation: "Somebody (or several somebodies) is taking advantage of the transaction malleability issue and relaying mutated versions of transactions. This is exposing bugs in both the reference implementation and some exchange’s software. We (core dev team, developers at the exchanges, and even big mining pools) are creating workarounds and fixes right now. This is a denial-of-service attack; whoever is doing this is not stealing coins, but is succeeding in preventing some transactions from confirming. It’s important to note that DoS attacks do not affect people’s bitcoin wallets or funds. "

An anonymous reader writes "Bitcoin values dropped sharply over the weekend after the largest trading exchange, MtGox, revealed that an investigation into unusual trading activity turned up a flaw in the underlying Bitcoin software that allowed an attacker to double withdrawal a transaction" Not so fast according to database experts: the real problem is that Mt Gox (and other exchanges) are using a surrogate transaction id rather than a natural key in their databases: "The flaw isn't so much in Bitcoin as it is in exchange-systems. Many exchanges use the tx-id to uniquely identify transactions, but as it turns out, an attacker can change the tx-id without changing the actual transaction, rebroadcast the changed transaction (effectively creating a double-spend) and if his altered transaction gets accepted into a block instead of the legit transaction, the attacker receives his coins and can complain with the exchange that he didn't. The exchange will then check their db, fetch the tx-id from it, look it up in the blockchain and not find it. So they could conclude that the transaction indeed failed and credit the account with the coins. ... A simple workaround is to not use the tx-id to identify transactions on the exchange side, but the (amount, address, timestamp) instead."