Bitcoin wiki

Welcome to the Bitcoin Wiki Edit

This is a wiki where everyone can edit in contrast to other Bitcoin wikis where you have to pay Bitcoin in order to contribute and/or edit.

What is Bitcoin? Edit

Bitcoin software Edit

Electrum (wiki space free. If you have an idea or information to add about Electrum, feel free to!)

Securing Bitcoins Edit

Any practical info on storing Bitcoins with multiple signatures that are bound to a single Bitcoin address required to spend them, is welcome in the Specific software or implementations section.
- Bitcoin Stack Exchange

Specific software or implementations Edit

Is this relevant? I browsed a GitHub repository page by greenaddress, but I got lost.

Why Use Bitcoins? Edit

Low or Negligible Transfer Fees Edit

When paying a friend through typical online services, it can typically cost upwards of 2.5% + $0.50 in fees. This means, when you digitally pay your buddy $100, it will cost $3 more. Or, if you purchase something for $25,000, it will cost an extra $625.50. That is a lot of wasted money in fees. With Bitcoin, you can pay flat near-zero transaction fees that can be as low as a $0.01 depending on how fast you want the transaction to complete.

Speed and Global Reach Edit

You can pay someone in India or London just as easily as someone in Argentina or Hong Kong. Bitcoin is completely global and works over the internet.

Security and Privacy Edit

Payment "push" rather than "pull". That is, with credit cards, when you hand the merchant your card they can extract as much as they want. With Bitcoin, you send an exact amount to a merchant, and they have no power to pull out more from your account. You do not need to provide your name, address, phone number, and other private information when making a purchase through Bitcoin (although some merchants may still force you, it is not a part of Bitcoin itself). You can pay your friends, peers, co-workers without a commercial 3rd party (like PayPal), which also means lower negligible fees.

Note: Wallet-to-wallet transfer data (transaction address + amount) is public. However, this information is not tied to your name unless you somehow provide it.

Sound Money Edit

Bitcoin has all the implications of sound money, which includes the idea that many global problems come from money corruption and spending. Bitcoin is not government-controlled money. It is open-source, peer-to-peer, decentralized money, which means it's money for the people by the people. Bitcoins are created through a difficult "mining" process which is regulated by the physical capabilities of computers. It cannot be arbitrarily created, such as with government currency inflation.

Where to Buy Bitcoins Edit

Circle
Coinbase
CoinCorner
Localbitcoins
Mycelium Local Trader (Mobile Phone App)
Bitstamp
Vault of Satoshi
Bitcoin in Pakistan
Zumminer

Where to Spend Bitcoins (What can I buy with Bitcoin?) Edit

Major Online Businesses (Direct) Edit

Small Online Businesses (Direct) Edit

Major B&M Businesses (Direct) Edit

Nothing (yet)

Small B&M Businesses (Direct) Edit

See Local Bitcoin Map

Major Businesses (Indirect, e.g. through Gift Cards purchased with Bitcoin) Edit

You can go to Bitcoin-friendly gift card merchants such as Gyft and eGifter for a full list.

Amazon
Walmart
Target
CVS
Whole Foods
Banana Republic
1-800 Flowers
American Airlines
Best Buy
Burger King
Hyatt
Kohl's
Victoria's Secret
Papa John's Pizza
Zappos

International list of shops Edit

Bonus Programs Edit

While the best way to earn bitcoin is to mine it, buy it, or exchange goods and service, there are also plenty of way to aquire "free" bitcoins via bonus programs, such as:

Mining hardware comparison

Below are statistics about the Bitcoin Mining performance of ASIC hardware and only includes specialized equipment that has been shipped.

GPUs, CPUs and other hardware not specifically designed for Bitcoin mining can be found in the Non-specialized_hardware_comparison.

Mhash/s = millions hashes per second (double sha256 raw speed performance; may not be very energy efficient with some models)
Mhash/J = millions hashes per joule (energy efficiency; 1 joule of energy is 1 watt during 1 second: 1 J = 1 W*s)
W = watt (maximum power consumption, i.e. energy per unit of time: 1 W = 1 J/s)

Be sure to research any of these vendors and machines intensely before spending any money.

42-coin is extremely rare cryptocurrency with unique deflationary emission model, fair distribution (no ICO, premine or instamine) and both private and public transaction support. It is based on an open source peer-to-peer internet protocol and hybrid Proof-of-Work / Proof-of-Stake block generation methods.

42-coin was introduced in early January of 2014 on bitcointalk.org forum by user named hendo420. His idea was to create a "super rare" coin, with "only 42 coins to be mined". Denoting the meaning of life, according to Douglas Adams’ The Hitchhiker's Guide to The Galaxy, the number 42 in this case relates to the number used by 1950s American baseball player, Jackie Robinson. In 1997, Major League Baseball universally retired the use of his number 42 shirt number across all major league teams - a first in the history of the sport - driving the price of Robinson memorabilia through the roof.

At its peak value 42 was traded at the highest rate at 1900.00 BTC per one coin. At that time (13-Jan-2014), only 0.8 coins were in circulation, meaning this was the first crypto coin to exceed one million US dollars with less than 1 whole coin in circulation.

What is remarkable in the history of 42, is that until the spring of 2014 the coin supply was really capped at 42, but on March 17, 2014, the GitHub user sherlockcoin (aka soopy452000) made it unlimited. He was working under KGW implementation and no one noticed this "small change".

Meanwhile, the number of coins was growing, and the price was falling. On May 29, 2014 hendo420 left the project, he explained this by saying that:

“Hippie Tech's constant barrage and the constant price drop put me into a deep depression. My doctor prescribed me some medication that kind of helps but he recommended not to continue the activity that was causing me to be depressed/suicidal… I can’t emotionally continue…”

He handed the coin over to soopy452000, which surrendered after one month of work on the project.

On July 2015, Woodcoin developer, funkshelper when reviewing the code, saw that there was nothing, actually, stopping the coin supply from exceeding the apparently, number of 42. He submitted a pull request in order to fix this bug, but it was not merged in time, also there were no updated clients, so most people couldn’t support the chain with limited cap.

On October 26, 2015 hendo420 come back with promise to revive 42 and “get the total coins back under 42 without jeopardizing anyone's coins”. But after some time, he just closed all 42 threads on bitcointalk.org forum and gone without any explanations…

On June 07, 2016, after more than 7 month of waiting for a revival from hendo420 a new thread of 42-coin was started by another user, Lasergun. After 5 months of voting the community took a decision to return the original idea of limited supply by swapping old coins (84) for new (42) and add Proof-of-Stake as an additional method of transaction confirmation. In addition, the block time was increased from 42 seconds to 7 minutes, as it turned out that fast transactions are not really required in 42. A new blockchain based on Novacoin source code launched on November 12, 2016.

Where to buy 42 coin? Edit

Coin42 is a very rare cryptocurrency, so 42 coin price is extra high. That's why not everybody can afford it. On May 18, 2018, the price of 42 coin is 30886,50 USD, but on January 29, 2018 it achieved 100030 USD per a coin.

The 42-coin prices are available online on CoinMarketCap widget:

Bitcoin wiki

This is an independent project. It exists thanks to the active members of the cryptocurrency community.

Bitcoin Wiki now has 4,491 articles in English.

Bitcoin transactions and emissions are regulated by an extensive peer-to-peer network. Bitcoin uses a distributed public universal database, spread through a decentralized peer-to-peer network. The network uses digital signatures and is supported by a proof-of-work protocol to ensure security and legitimacy of funds in use.

To guarantee that a third-party cannot spend a user's bitcoins by issuing false transactions in their name, Bitcoin uses public key cryptography. This is a system of digital signatures, in which each person has one or more addresses or wallets, each with an associated pair of public and private keys. A user can sign a transaction with their private key, and the rest of the peers in the network can validate the signature using that user’s public key.

Bitcoin is the most widespread cryptocurrency. Its total market value is over $171 billion. One can exchange, buy or sell Bitcoins on many sites. Despite the fact that using Bitcoin does not formally require user identification, the currency is not completely anonymous.

Blockchains are secure by design, and are an example of a distributed computing system with high Byzantine fault tolerance. Blockchains have achieved decentralized consensus. This makes them potentially suitable for the recording of events, medical records, identity management, transaction processing, documenting provenance, food traceability, and kinds of other record management.

The first blockchain was conceptualised in 2008 by an anonymous person or group known as Satoshi Nakamoto, and implemented in 2009 as the public ledger for all bitcoin transactions. The inclusion of blockchain in the Bitcoin system made it the first digital currency to solve the double spending problem without resorting to a trusted authority or central server. Blockchain is the main innovation of Bitcoin.

In times of rampant disinformation and traditional educational establishments that fail us, the need for an education that can keep up with innovation is urgent.

Crypto University could become a academy for people living in the digital world, the world of future. They would be able to get knowledge about Bitcoin technology, blockchain, the newest economy, perspectives of the world, etc. Crypto University is able to adapt to rapid changes very quickly, so no information will be out-of-date or irrelevant. The prerogative of the Crypto University is to develop an independent and totally decentralized system allowing people to self-develop and adjust to new knowledge. No censorship or manipulation anymore. Moreover, it won’t be closed, deprived of funding, etc. Students and professors having a different opinion will never be excluded. Crypto University has the following layers: a student campus, a WIKI library, and a faculty. The campus layer contains all the project courses. Professors develop the courses and divide them depending on crypto topics. The courses are free or can be available for tokens. In case you want to enrol in a token course, you are to exchange tokens for respective amount of course hours.. After deducting a small percent, it will go to the authors of the classes. Active students are able to get a scholarship.

A cryptocurrency developer who wants to raise funds through an ICO must publish a detailed action plan describing the kind of project it is, what needs it solves, how much start-up money is needed, how much of their own cryptocurrency (tokens) will be issued, what share of it will be sold, ICO campaign terms and other technical details.

Funds are raised on special platforms using blockchain technology. Therefore, all transactions are anonymous and protected by cryptography.

If the the ICO fails – that is, if the required amount is not successfully raised within the pre-established period of time – all money is returned to the investors. If the campaign is successful, the money is used to finance the project.

It is impossible to cancel or return cryptocurrency funds sent to a recipient, and the funds cannot be forcibly frozen or recovered without access to the owner's private key, although the parties involved in the transaction may voluntarily temporarily block their funds as collateral.

All currently existing cryptocurrencies are used pseudonymously, and all transactions are public. Although transactions can be anonymous, the user's identity can be uncovered if the necessary additional information is provided.

As of November 20th 2017, the total capitalization of the market was $ 243 billion, with more than half ($ 136.9 billion) accounted for by bitcoin, the exchange rate of which on this date exceeded $ 8200 for the first time. For comparison, the total capitalization of the cryptocurrency market in March 2017 was only $ 25 billion.

Among the cryptocurrencies that have shown great growth recently (as of the end of November 2017) is Bitcoin Cash, which displaced Ethereum from the second place by the price of one coin. By November 23rd 2017 it cost $ 1319.484 with a capitalization of $ 22.147 billion.

US Search Mobile Web

Welcome to the Yahoo Search forum! We’d love to hear your ideas on how to improve Yahoo Search.

The Yahoo product feedback forum now requires a valid Yahoo ID and password to participate.

You are now required to sign-in using your Yahoo email account in order to provide us with feedback and to submit votes and comments to existing ideas. If you do not have a Yahoo ID or the password to your Yahoo ID, please sign-up for a new account.

If you have a valid Yahoo ID and password, follow these steps if you would like to remove your posts, comments, votes, and/or profile from the Yahoo product feedback forum.

Vote for an existing idea ( )
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Post a new idea…

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My feedback

Improve your services

Your search engine does not find any satisfactory results for searches. It is too weak. Also, the server of bing is often off

I created a yahoo/email account long ago but I lost access to it; can y'all delete all my yahoo/yahoo account except for my newest YaAccount

I want all my lost access yahoo account 'delete'; Requesting supporter for these old account deletion; 'except' my Newest yahoo account this Account don't delete! Because I don't want it interfering my online 'gamble' /games/business/data/ Activity , because the computer/security program might 'scure' my Information and detect theres other account; then secure online activities/ business securing from my suspicion because of my other account existing will make the security program be 'Suspicious' until I'm 'secure'; and if I'm gambling online 'Depositing' then I need those account 'delete' because the insecurity 'Suspicioun' will program the casino game 'Programs' securities' to be 'secure' then it'll be 'unfair' gaming and I'll lose because of the insecurity can be a 'Excuse'. Hope y'all understand my explanation!

chithidio@Yahoo.com

i dont know what happened but i can not search anything.

Golf handicap tracker, why can't I get to it?

Why do I get redirected on pc and mobile device?

Rahyaftco@yahoo.com

RYAN RAHSAD BELL literally means

Question on a link

In the search for Anaïs Nin, one of the first few links shows a picture of a man. Why? Since Nin is a woman, I can’t figure out why. Can you show some reason for this? Who is he? If you click on the picture a group of pictures of Nin and no mention of that man. Is it an error?

Repair the Yahoo Search App.

Yahoo Search App from the Google Play Store on my Samsung Galaxy S8+ phone stopped working on May 18, 2018.

I went to the Yahoo Troubleshooting page but the article that said to do a certain 8 steps to fix the problem with Yahoo Services not working and how to fix the problem. Of course they didn't work.

I contacted Samsung thru their Samsung Tutor app on my phone. I gave their Technican access to my phone to see if there was a problem with my phone that stopped the Yahoo Search App from working. He went to Yahoo and I signed in so he could try to fix the Yahoo Search App not working. He also used another phone, installed the app from the Google Play Store to see if the app would do any kind of search thru the app. The Yahoo Search App just wasn't working.

I also had At&t try to help me because I have UVERSE for my internet service. My internet was working perfectly. Their Technical Support team member checked the Yahoo Search App and it wouldn't work for him either.

We can go to www.yahoo.com and search for any topic or website. It's just the Yahoo Search App that won't allow anyone to do web searches at all.

I let Google know that the Yahoo Search App installed from their Google Play Store had completely stopped working on May 18, 2018.

I told them that Yahoo has made sure that their Yahoo members can't contact them about anything.

I noticed that right after I accepted the agreement that said Oath had joined with Verizon I started having the problem with the Yahoo Search App.
No matter what I search for or website thru the Yahoo Search App it says the following after I searched for
www.att.com.

WEBPAGE NOT AVAILABLE
This webpage at gttp://r.search.yahoo.com/_ylt=A0geJGq8BbkrgALEMMITE5jylu=X3oDMTEzcTjdWsyBGNvbG8DYmyxBHBvcwMxBHZ0aWQDTkFQUEMwxzEEc2VjA3NylRo=10/Ru=https%3a%2f%2fwww.att.att.com%2f/Rk=2/Es=plkGNRAB61_XKqFjTEN7J8cXA-
could not be loaded because:
net::ERR_CLEARTEXT_NOT_PERMITTED

I tried to search for things like www.homedepot.com. The same thing happened. It would say WEBPAGE NOT AVAILABLE. The only thing that changed were all the upper and lower case letters, numbers and symbols.
Then it would again say
could not be loaded because:
net::ERR_CLEARTEXT_NOT_PERMITTED

This is the same thing that happened when Samsung and At&t tried to do any kind of searches thru the Yahoo Search App.

Yahoo needs to fix the problem with their app.

Yahoo Search App from the Google Play Store on my Samsung Galaxy S8+ phone stopped working on May 18, 2018.

I went to the Yahoo Troubleshooting page but the article that said to do a certain 8 steps to fix the problem with Yahoo Services not working and how to fix the problem. Of course they didn't work.

Bitcoin wiki

Welcome to the Bitcoin Wiki Edit

This is a wiki where everyone can edit in contrast to other Bitcoin wikis where you have to pay Bitcoin in order to contribute and/or edit.

What is Bitcoin? Edit

Bitcoin software Edit

Electrum (wiki space free. If you have an idea or information to add about Electrum, feel free to!)

Securing Bitcoins Edit

Any practical info on storing Bitcoins with multiple signatures that are bound to a single Bitcoin address required to spend them, is welcome in the Specific software or implementations section.
- Bitcoin Stack Exchange

Specific software or implementations Edit

Is this relevant? I browsed a GitHub repository page by greenaddress, but I got lost.