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We want to present you Step-By-Step Guide to the Lumi wallet. You can learn how to send and receive crypto with Lumi and some more useful tips that help you to keep it safe. I try my best to be careful, because it means a lot

Last year, The DAO, a decentralized ‘autonomous’ investment fund, got hacked for $50 million. In July, a hacker was able to steal $31M of Ether by exploting a bug found in Parity’s wallets. Today, we have the worst hack yet, only this time, the stakes are even bigger and it is all just one big fuck-up.

Two days ago, a user named ‘devops199’ opened an issue on Parity’s Github, titled “anyone can kill your contract”, seemingly wanting to let Parity, a company that provides smart contracts for users of the Ethereum network, know about a vulnerability in their smart contract.

The smart contract that he was referring to, concerns a ‘multi-signature-contract’, which is used by a large amount of people as a ‘digital wallet’ to safely store their Ethereum. Apparently, this wallet had a ‘bug’ in its code. The bug, or, better said, security vulnerability, allowed Devops199 to make himself one of the ‘owners’ of the contract. This gave him the permission to do pretty much anything.

Biggest scam on earth right now. Bitcoin will crash, and leave thousands of people with no money. So many are buying thousands in these coins. When the market tanks, or the government starts to track and regulate, this whole thing will be nothing but smoke and mirrors.

Amazon most likely isnt going to get involved in a scam. Bitcoins are tied to black market, dark web and other illegal activities including money laundering schemes.

If I am Amazon I simply say, use a CC or gift card, thanks. Amazon wants you to use Gift Cards especially. Gift cards are the biggest money maker due to the amount that get lost, forgotten about or have small balances left on them

The firm said it found the bitcoins - worth around $116m (£70m) - in an old digital wallet from 2011.

That brings the total number of bitcoins the firm lost down to 650,000 from 850,000.

MtGox, formerly the world's largest bitcoin exchange, filed for bankruptcy in February, after it said it lost thousands of bitcoins to hackers.

"MtGox had certain old-format wallets which were used in the past and which, MtGox thought, no longer held any bitcoins," said Mt Gox chief executive Mark Karpeles in the filing.

However, "on March 7, 2014, MtGox confirmed that an old-format wallet which was used prior to June 2011 held a balance of approximately 200,000 bitcoins," he said.

Mr Karpeles said the firm moved the found bitcoins to offline wallets on 14 and 15 March so that they could not be targeted.

At the time of the MtGox theft, about 750,000 customer bitcoins were stolen as well as close to 100,000 of MtGox's own bitcoins.

That amounts to about 7% of all the bitcoins in existence.

MtGox recently won brief bankruptcy protection in the US as the firm's case works its way through Japanese courts.

Cryptocurrencies in Indonesia will be regarded as commodities, according to a new decision by the country’s futures market regulator. It comes after a study concluding that digital coins deserve the commodity status. The government is expected to prepare a broader regulation covering other aspects of the crypto sector including trading and taxation.

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Week #5 (01.06.18 - 07.06.18)
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#JOINED AIRDROP
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Every instinct as an investor tells me to stay away from bitcoin, the online “crypto” currency invented by some mystery man and criticized by JPMorgan Chase chief executive Jamie Dimon on Tuesday as a “fraud.”

Dimon, one of the most powerful voices on Wall Street, said he would fire anyone trading in it because it’s “stupid.”

“It’s worse than tulip bulbs,” said Dimon, referring to the 17th-century mania that ended in collapse. “It won’t end well. It will blow up.”

Like most American investors, I am into vanilla savings like mutual funds, stocks, bonds and cold, hard cash. I don’t buy gold. I don’t trade in options. No derivatives for me. I don’t know how to trade in currencies. I don’t even buy lottery tickets.

[What’s behind the Dow’s stunning rise?]

I don’t know what to make of bitcoin. You can’t eat it, wash in it, wear it, drive it. But you definitely can spend it. The price had risen 300 percent this year to more than $4,000, but bitcoin’s value slipped Wednesday following Dimon’s comments.

 
A bitcoin sign in Toronto. (Mark Blinch/Reuters)
“It’s quite speculative,” said Arthur Levitt, former commissioner of the U.S. Securities and Exchange Commission. “I would consider investing in companies that use bitcoin, or trade in bitcoin. I’m not sure I would invest in bitcoin itself. It fluctuates for reasons that are hard to understand.”


But cryptocurrency is with us for the future, he said. “I don’t know whether it will be bitcoin or ethereum, to name just two. But it’s here to stay because of the disparity between countries where a monetary system is robust and countries where there is virtually no monetary system. This comes up as an alternative currency.”

It was created by an unknown person in 2009 under the alias of Satoshi Nakamoto. Bitcoins can be used to buy merchandise anonymously, involving lower or no fees and no banks.

Samsung SDS, the IT arm of electronics giant Samsung, has announced the launch of its latest blockchain platform dubbed Nexfinance for financial institutions.

The new blockchain platform combines existing and new technologies including big data analytics, artificial intelligence (AI) and intelligence process automation to help companies in the financial sector in their digital transformation effort, Samsung SDS said.

In a statement, Samsung SDS vice president of financial business Yoo Hong-jun added:

“Samsung SDS is planning to launch its digital finance business through Nexfinance, a digital financial platform that combines proven technology and new technology.”

Nexfinance will offer services such as digital identity, financial concierge, automatic insurance payments and an AI virtual assistant, the company revealed. Nexfinance will also be ‘open’ for developers and clients to build third-party solutions atop the platform.

Its digital identity offering will specifically use blockchain-based identification to secure customer information and enable permissioned participants of the blockchain to safely access the data. As an asset management service, the financial concierge uses AI and big data analysis to help oversee assets better. The AI virtual assistant automates billing of customer insurance claims, making it a seamless, more-efficient process for customers, Samsung said.

“We have completed the design for Nexfinance aimed at the insurance industry and we will continue to put in efforts to innovate the digital finance industry,” Samsung SDS CEO Hong Won-pyo said during a press event in Seoul upon the launch of the new platform.

While details are scarce, the company also revealed it was carrying out a ‘co-certification’ blockchain project undertaken by the Korea Federation of Banks this year after establishing a blockchain-based user authentication system for Samsung Card, the conglomerate’s credit card company, last year.

Before Nexfinance, Samsung SDS launched its enterprise blockchain platform and cloud computing solution Nexledger in early 2017. In November, the company was chosen by the Seoul metropolitan government to develop a broad roadmap for the application of blockchain tech for the city’s entire municipal administration by the year 2022.

Bitcoin is a digital currency (also called crypto-currency) that is not backed by any country's central bank or government. Bitcoins can be traded for goods or services with vendors who accept Bitcoins as payment.

The Bitcoin network is designed to mathematically generate no more than 21 million Bitcoins and the network is set up to regulate itself to deal with inflation. Bitcoins can be spent by initiating a transfer request from a Bitcoin address in the customer's wallet to a Bitcoin address in the vendor's wallet. As of this writing, one Bitcoin (also called a BTC) is worth $104 -- but just as with stocks, the value of Bitcoins can fluctuate quickly.

With nearly 3,000 Bitcoin ATMs worldwide, the future looks good for cryptocurrency. Over half of those machines reside in the US, which will not surprise anyone. Despite the lack of an open mind toward cryptocurrency, New York remains the most popular city. Chicago is quickly catching up, though.

Thankfully, the situation is evolving in Europe as well. Bitcoin ATMs are becoming more commonplace in Europe, with Austria being the most popular region. One would expect Malta to be a popular destination as well, yet the island nation has just three Bitcoin teller machines. That is still one more than France, a country which isn’t too crypto-friendly at this time.

The big question is how this landscape will evolve. Consumers all over the world want to access cryptocurrencies. Bitcoin ATMs are a good way to do so, despite some high fees. It is the price one pays for this convenience. Even so, an average fee of 8% worldwide is still quite steep, Compared to regular exchanges, these teller machines aren’t all that approachable in this regard.

Iran has banned the use of bitcoin and other cryptocurrencies by its banks and financial institutions.

"The use of bitcoin and other cryptocurrencies in all the country's monetary and financial centers was banned," an April 23 statement by the central bank said.

It said the decision had been made in December by the government's money-laundering committee and it was now being put into effect.

The ban was necessary since "all cryptocurrencies have the capacity to be turned into a means for money-laundering and financing terrorism and in general can be turned into a means for transferring criminals' money," it added.

Many Iranian individuals consider cryptocurrencies an alternative to overcoming difficulties related to international sanctions and the country's ailing financial institutions.

It’s no longer profitable to mine bitcoin, by some estimates   It’s no longer profitable to mine bitcoin, by some estimates 
5:18 PM ET Thu, 15 March 2018 | 00:49
Bitcoin has dropped to a point where it's not that profitable to produce, according to some estimates.

"Bitcoin currently trades essentially at the break-even cost of mining a bitcoin, currently at $8,038 based on a mining model developed by our data science team," Fundstrat's Thomas Lee said in a report Thursday.

Fundstrat's model incorporates three factors: the cost of equipment, electricity and other overhead such as maintaining cooling facilities.

The cryptocurrency traded mildly lower, near $8,000, Thursday, according to CoinDesk's bitcoin price index, which tracks prices from four major global exchanges. Earlier, bitcoin hit a low of $7,676.52, its lowest since Feb. 8, according to CoinDesk data.

Bitcoin is created through an energy-intensive "mining" process that uses high computing power to solve a complex mathematical equation, proving an anonymous miner used the process the network agreed upon to build the blockchain record of transactions. Miners then get bitcoin in reward for successfully completing the equation.

The price of a stock or an asset reflects the belief about the current and future value of the asset. At over $15,000, one Bitcoin is quite expensive, but that doesn't mean we've hit its ultimate peak — remember we felt that way when it hit $1,000, and now it is up to more than $15,000. Bitcoin could still continue to go up in value.

Even if the market is not perfectly efficient, history shows us that even experts are not capable of knowing the future of particular stocks or specific investments beyond the current price. Experts can guess, and they can even give convincing explanations, but the price of the investment already reflects their rationales. When it comes to Bitcoin, it might be likely to be a failure, but the price already reflects that possibility. The price of $15,000 is probably about right, given the risk of failure and the potential reward from success.

Tax treatment of Bitcoin also affects the volatility
Recent announcements by the IRS stating that the currency is actually an asset for tax purposes had mixed effects on volatility.  On the upside, any statement recognizing the currency has a positive effect on the market valuation of the currency.  Conversely, on the downside, the decision by the IRS to call it property had two negative effects.  The first was the added complexity for users who want to pay with it.  Under the new tax law, users would have to record the market value of the currency at the time of every transaction, no matter how small.  This can understandably slow adoption as it seems to be too much trouble for what it is worth for many users.  Secondly, the decision to call the currency a form of property for tax purposes may be a signal to some market participants that the IRS is preparing to enforce stronger regulations later.  Very strong regulation of the currency could cause the adoption rate of the currency to slow to the point where it is not able to achieve the mass adoption that is critical for its overall utility in society.  Recent moves by the IRS are not clear as to their signaling motives and therefore have mixed signals to the market for Bitcoin.

Investing in Bitcoin is stupid.

No, this isn’t something where I tell you to do your own research, or only invest the amount of money that you can use. I’m not going to say that you’ll probably lose money on Bitcoin but there’s a chance your investment will turn into a lottery ticket. None of those things are true.
As such, I believe I’m in a unique position to be able to analyze Bitcoin and other cryptocurrencies as investments. I understand the technology and I understand the finance.