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Digital currencies assert itself on the world’s platform. Somehow, few companies introduce some physical bitcoins. And, these physical coins have been used around for years. To appeal the consumer’s company, introduce the coins in attractive designs, precious metals with low price.

Physical coins have the limited market. In additions, coins are as conversation pieces with limited stock. Some of them don’t have the physical appearance but considered as physical because of its specifications.

Meanwhile, a limited market of the physical bitcoin is being a problem. However, supply is less than the demand, so be aware of scams while you are buying coin online.Here are some physical bitcoins.

Casascius

Mike Caldwell, a couple of years ago Caldwell start minting his coin “Casascius” a couple of years ago. Unfortunately, his product was banned due to some security issues. Whereas, sales of Casascius resume again this year with 3 listing coins with gold plated bar. Whereas, a bag of 500 Casascius costs 0.39 BTC. In addition, Caldwell sells the silver, gold plated products, aluminum promo coins.

Alitin Mint  

These coins were designed by the John B Andelin in tribute to pioneer Adam Smith and French patron saint John of Arc. Basically, Alitin mint is 2 premium coins and the third one is in process of designing.

Pure silver coins with the weight of two ounces. Whereas, each series contain the 600 coins. Adam smith’s coin shipping is with 2BTC and it priced at 2.92 BTC. While Joan of Arc coin’s cost is 1.45 BTC comes with one bitcoin.

 

 

 

Titan Bitcoin

A beautiful coin with limited stock designed in the USA. Titan Bitcoin is a type of unique coin ID and purely rooted with a  security hologram. Meanwhile, a web page reports the current value of the coin. In addition, you are able to transfer the coin’s amount anywhere in the world with the permission of its one-time redemption code.

Titan’s one gold price is $2279 , while it carries 1 troy ounce of 24-Karat gold and bitcoin. However, the one bitcoin, the titan silver costs $729 with .999 pure silver, too much expensive.

Accordingly, a company has three more coins in a triple digital territory with less price from 0.5 to 1 BTC.

 

           

Cryptmint coins

A two in one metal,  which is a wallet as well as a physical coin. Cryptmint coin pushed, inspected by the hand to make sure the flawless finish.

This .999 silver is 39 mm in diameter and one troy ounce. Whereas, the price of this silver coin is $99. While company sells copper coin at $42 also. There is an option to choose a coin with different QR design on its back. In addition, these coins are the ship without any bitcoin preloaded.

 

 

Antana coin

With 300 unique coins per batch, Antana bitcoin’s difficulty increases within 10 days of a new batch. Antana offers the coins with less price and has mint with the well sense of humor. Each batch of Antana follows a particular theme with statistic data network for a time period.

Whereas, batches of the Antana coins has different names like Goodbye Mt Gox batch, transaction malleability batch, bump and dump batch, race and ROI batch etc.

Meanwhile, these coins are sold at 0.02 to 0.04 BTC. And, full set of 20 Antana coin’s cost is 0.41 BTC. Although, they are infrequent bitcoin motif product, which means they are not physical coins with QR core and hologram.

 

Ravenbit Satoshi coin

These Satoshi coins are composed of 85% copper with 39mm diameter and 3mm thick. Whereas, the front of these coins is consisting on the outline of a person filled with the binary code that converts to Satoshi Nakamoto. In addition, the kit of Satoshi coin with two security holograms, few goodies, and pouch, cost at $25.

 

 

 

CoinedBits

like Antana coins, CoinedBits are not physical coins but relatively novelty new items. One ounce weighted coins are 38mm in diameter and 3mm thick. In addition, CoinedBits are the purely gold plating of 18-Karat. Whereas, these coins cost at $14.99 in northern America. And, for overseas its cost is $19. 99.

 

Lealana coins

A number of unfunded coins with prices from 0.042 to 0.325BTC. whereas a set of Lealana coin is cost at 0.891 BTC.

Coin that never materialized

Most of the physical bitcoin projects are on delay or defunct. Although, they are not asserting themselves and gets out from the race. In the same way, a Chinese bitcoiner introduce a coin of 24-Karat with one ounce. Unfortunately, the current status of the coin is unclear. The coin is,

 

DIY coins

There is a number of 3d printed designs and they are available at Google search, mostly on 3d marketplaces. Whereas, the issue is, some of the designs are costly. Meanwhile, by making a proper coin you can do a few plastic or semi-professional attached filament printers.

In any case, 3d printing is an alternative process to creating physical coins. Apart from the actual cost, a 3d model cost is € 8.50. whereas services are the different opportunity, but in few belongings cost of printing is less than the price of shipping.

 

 

Goodluck!

 

Tags: buy physical bitcoin, physical bitcoin for sale

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What is Ethereum mining?

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What is Ethereum Mining?

Mining is a process which involves some computational intensive work which requires a lot of processing time and power. Basically, mining is the act of joining a given peer distributed digital currency network in consensus. Then miners get rewards for providing solutions to challenging mathematical problems. The process of mining is to put the hardware of computer system to use with mining applications.

All related info on digital currency transactions surely embedded in data blocks. Each data block attached internally to many other blocks. This produces the “Blockchain”. All these blocks had better be analyzed as fast as possible to make sure a smooth proceeding of transactions on the platform. The miners come in when the issuers of such digital currencies do not have the capabilities to handle the processing.

Who is a Miner and What is The Purpose of Ethereum Mining?

A miner is an investor which devotes time, computer hardware and space, and also energy to sorting through blocks. At the time when the mining process hit the required harsh, miners will submit the solutions of the mathematical problems to the issuers. After the verification, the issuers of the currency give rewards which are some portions of transactions they helped in verifying. They also give the digital currency in exchange for the miner’s work.  Digital mining must take place to upsurge the circulation of digital currency.

What Are The Basics of Ethereum Mining:

The same thing used for Ethereum. The best way to practice Ethereum is to get it through mining. However, mining Ethereum means much more than increasing the capacity of Ether in circulation. Since, it is also important for securing Ethereum network as it produces, confirms, publishes, and propagate the blocks in the Blockchain.

The process of Ethereum mining is to mine Ether. Mining Ethers uses a lot of electricity. If miners perform mining activities professionally, the more income they can generate through the sale of Ether. There are also Ethereum calculators available which calculate profits.

You can use any personal computer systems to mine Ethereum, required a graphics card(GPU) with a Ram at least of 2 Gb. Central Processing Unit (CPU)mining is just an exercise in frustration. It takes a longer period of time to complete, and the profits are just thanks to the cost. When it comes to mine Ether the GPUs are the best bet as they are standing 200 times faster than CPUs.

 

Tags: bitcoin vs other cryptocurrencies

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Everything you need to know about Segregated Witness

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I have been noticing on many online bitcoin districts that various users are unable to understand the concept of Segregated Witness. This post will clear up any doubts, uncertainties, and myths regarding SegWit.

So, what happens in SegWit?

SegWit is short for Segregated Witness and it’s a proposal presented by the developers of Bitcoin Core. Originally it was aimed to solve the transaction malleability, which is a well-known weak spot in the Bitcoin system. The idea behind SegWit is that the signatures in a transaction, also known as the “witness data” are skipped when calculating the transaction id.

Basically, SegWit will update the 1MB size block limit to 4-million unit block weight limit. This counts serialized
witness data and one unit and core block data as four units. This is an entirely new transaction format, meaning the block size is increased. SegWit counts each byte in a witness as 0.25 bytes towards the 1MB block limit, thus the maximum size of a block becomes just under 4MB.

It’s not that the data gets smaller, it’s just counted in a way that allows for the block limit to be increased.

The short/easy version

In simple words, signature related data is removed from bitcoin transactions, causing them to appear smaller in size. Also, making the block size smaller, further, allowing more transactions to take place.

 

Clearing up myths and rumors

Myth: SegWit as a soft fork is much more dangerous than a hard fork

A soft fork ensures that the backward and forward compatibility is under control. Also, when a soft fork is set up, old versions of Bitcoin software will be able to function without any faults. On the other hand, a hard fork requires every Bitcoin user to update to the new software to support the consensus rules. Any user that fails to upgrade to the new software might be under the risk of getting thrown off the Bitcoin network.

 

Myth: SegWit is more complicated than a super simple hard fork

Similar to a hard fork, SegWit proposes the same idea of increasing the block size limit. No doubt, it is pretty complex and introduces several changes, but it is a relatively simple conceptual change. Basically, SegWit ignores the signatures when calculating the transactions, but as a soft fork, some additional changes must be made to make SegWit transactions compatible with non-segwit nodes. These changes then have side effects which can be beneficial to Bitcoin. It also contains more functionality than a hard fork increasing the block size limit. The hard fork to increase the block size limit also appears simple, but additional changes need to be made to support the deployment and to solve the quadratic hashing issue with transactions.

 

Myth: Miners who don’t upgrade to segwit will be forcefully told to quit the bitcoin network

This is false since SegWit will be deployed using the BIP9 versionbits which uses a 95% threshold. A miner would not run into any trouble, as long as he follows certain rules. However, if he fails to follow these rules, he could end up with transactions including witnesses but he wouldn’t be having the witnesses nor the witness root hash in the Coinbase. This would be an invalid block that would be in the orphan pool.

 

What are the benefits of SegWit?

Besides the obvious benefit of having to increase the capacity, there are several other benefits that come with the introduction of SegWit. Some of those benefits are:

  • Node performance is tested based on how weighting data
  • Signature covers value
  • Linear scaling of sighash operations
  • MultiSig gets more security
  • Script versioning
  • Increased security to almost-full-nodes

Why hasn’t SegWit been activated yet?

If there is not enough support shown, it might result in a contentious fork. That means a part of the network switches to the new client while some remain to use the older version. This leads to two sets of cryptocurrencies with different rules, co-existing and competing for users and legitimacy.

In order to avoid such a situation, the developers of SegWit have programmed a specific rule in the software proclaiming that it will only activate once it reaches the 95% mark.

Currently, the support is hovering around 32-33%. 

Everything you need to know about Segregated Witness

 

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Why Trump had to ban Venezuelan cryptocurrency Petro in the US?

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An executive order has been issued by the U.S. President Donald Trump to ban the US Citizens from buying Petro cryptocurrency. Petro is first state-issued cryptocurrency developed by the government of Venezuela.

Further more, Trump has issued strict orders to the Treasury Secretary, Steven Mnuchin, to implement this ban. Earlier this year, the Treasury Department also announced sanctions on four Venezuelan government officials.

buying petro

Why was Petro Launched?

The cryptocurrency Petro was launched in February 2018, which could be purchased through US dollars and euros. At the time of its launch, it was claimed to be backed by the oil and mineral reserves of the Venezuelan government. According to some critics, if investors once started buying Petro, it could easily support the official currency of Venezuela, which is steadily falling down mainly due to US-imposed financial sanctions.

Reason for Trump’s Ban on Petro

As mentioned above, the ban was an attempt to put pressure on the Venezuelan President Nicolas Maduro and his undue policies. As a result, the efforts of Maduro’s government to boost their foreign currency reserves have been greatly affected.

US Treasury Secretary, Steven Mnuchin stated that President Maduro destroyed the Venezuelan economy which gave rise to a destructive humanitarian crisis in Venezuela. Instead of improving the present condition of their citizens, the Venezuelan government is trying to bypass the US sanctions through its Petro digital currency. In short, the Venezuelan President is trying to loot the resources of his people.

Effect of Trump’s ban on Petro

According to many critics, it is probably a quiet big blow for the Venezuelan government. Since most of the cryptocurrencies and their present market value is based upon the US dollar, so when we take the role of US out of that scene, the interest and potential rate for any of the cryptocurrency is also automatically reduced.

At a stage when Petro was struggled to create some serious interest among foreign governments, the ban by Trump will be extremely fatal. Earlier this year, Poland had also shown an interest in trading food and medicine with the Venezuelan government for the Petro, which was denied due to the sanctions imposed by the US president.

Let us know your point of view about all this in the comments below!

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What Are Some Bitcoin Scams and How to Avoid Them?

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Some Bitcoin Scams and How to Avoid Them

Scams have been part of human history. Ever since the beginning of currency, people have been trying to defraud each other. And with the advancement of technology, the scamming tricks have also become more raveled.

When it comes to currency related scams, Bitcoin tops the list. The currency is relatively new but holds incredibly high value in the market. Moreover, generating personal bitcoins is extraordinarily hard. So, the scammers use different techniques to steal hard-earned coins of other users. (Want to earn some bitcoins, here is everything you need to know about how to earn Bitcoin fast and easy).

Here are the most common scams that the bitcoin users should be aware of.

Scenario #1 – Wallet Scams:

If you are a bitcoin user, you would know that a Bitcoin wallet address serves the same purpose as a traditional bank account. The difference is that it is used to store bitcoins – and not the fiat money.

Since Bitcoin is all about anonymous transactions and the anonymity is gained through bitcoin wallets, the scammers hit this feature particularly by developing fake wallets.

Then they try to sell these wallets to users with a promise of 100% anonymity. The program initially seems to be working fine. But to your surprise, the trickster behind the scenes has been transferring coins from your wallet to his own without giving away a single hint.

So, being a Bitcoin user, it essential to acquire a wallet from trustworthy sources.

Scenario #2 – Scam Through Ponzi Scheme:

One of the most common Bitcoin scams. In Ponzi scheme, the con artist promises high-interest rates on deposits you make.

People who join the scheme early are paid out using the money of those coming in later. This goes on until the point where there are no more new entries.

Once the entries stop, the payments also stop and users start realizing the losses.

Scenario #3 – Bitcoin Exchange Scams:

Bitcoin scam exchanges sell the cryptocurrency at current market rates. Most of the exchanges working out there are genuine and possess now security threats to users. However, a small portion of exchanges does not work that way. Their sole purpose is to steal the digital currency and fill their own pockets.

Such exchanges charge extremely low fees when a customer is looking for credit card processing. However, after the card is processed, all the money is gone and the user is left with no bitcoins.

So, don’t always go with the cheaper options.

Read our guide on what are the biggest Bitcoin exchanges in the world to trade safely.

Scenario #4 – Phishing Scams:

The scam involves users receiving fake emails – stating that they have been awarded or have won bitcoins. But to receive the reward, they are asked to reach their wallets through the link given in the email.

DO NOT CLICK THAT LINK – or you will end up losing all your coins.

Conclusion:

These are some common scams that go around in Bitcoin world. All it takes is a bit of common sense to realize true intentions of someone you are dealing with. And if you are just starting your bitcoin venture, it’s necessary that you are aware of these bitcoin scams and know how to tackle with the tricky situations that may arise during a transaction.

Tags: Bitcoin wallet scam

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What Is Bitcoin Hard Fork? The Most Heated Bitcoin Topic Explained!

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To begin with, Bitcoin has been the talk of every news channel, tabloid, website, etc. for a long while now. It’s increasing popularity might’ve caused a little problem for the network. Bitcoin is in a messy situation right now and something needs to be done. Fortunately, two possible solutions have been proposed as well, but only one can exist.

 

bitcoin hard fork

 

What’s The Issue?

In simple words, Bitcoin is unable to withstand the number of transactions taking place on the network.

The technical explanation is that the 1MB block size limit which is programmed into the system has become a problem and is causing delays in the processing of transactions. Basically, a purchase can take from a few minutes to hours to confirm.

Two techniques were proposed, which result in two different solutions: Bitcoin Unlimited, and Segregated Witness. They’re both proposed software updates to the Bitcoin network with the aim to completely change the way Bitcoin functions.

Obviously, the two can’t coexist, that would “fork” the Bitcoin network – splitting it into two different digital currencies.

A fork is known as a software update. Basically, updating a program from an old version to a new one.

Hard Fork:

It is a compulsory software update that is required in order for the program to function.  It can be implemented to fix bug errors or any security issues present in the older version of the software. Also, a hard fork is irreversible.

The “hard fork” will split the blockchain, leading to the introduction of a new chain of transactions branching from the original one.

Bitcoin Unlimited:

Starting off with Bitcoin Unlimited, this proposal is favored majorly by Bitcoin miners. To understand this, you must know the concept of Bitcoin mining. Bitcoin miners use specified powerful computers to solve complex mathematical algorithms in order to verify a transaction and be rewarded with newly issued bitcoins.

We are aware that there is a built-in block size limit of 1MB in the Bitcoin network, however, BU gives miners the permission to vote on increasing the block size whenever they want. This gives them control of the Bitcoin network, due to which they’re favored by miners.

Segregated Witness:

On the other hand, SegWit is being voted by many Bitcoin enthusiasts and developers. Their aim is to optimize the Bitcoin coding in a way that allows them to decrease the transaction size and increase the transaction volume, all while sticking to the 1MB block limit. They suggest the use of a soft fork.

A soft fork is a software update that lets the network to adapt to the new functionalities and features implemented. The update doesn’t interfere with the existing software and the older version will still be usable.

Who Will Be The Winner?

Aha! Too bad we can’t answer this question because half the community goes for SegWit and the other half for BU. There’s not really much we can do, just voice out our opinion and educate others with whatever we learn and maybe help them come up with opinions of their own.

We’ll just have to patiently wait and watch how this turns out.

I’d like to point out that I have a very limited technical knowledge and only know my way around a few technical terminologies. This post is a compilation of weeks of research that I’ve put together myself. So, if you do find any errors, do let me know in the comment section below and I’ll be sure to check back on them.

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