Transaction Coins

Of course, the most important transaction type coin is Bitcoin. Bitcoin was created by an anonymous author (or group of authors) using the alias “Satoshi Nakamoto,” with the goal of enabling people to do fast transactions from anywhere in the world with low fees and without any third-party manipulation.

Stellar

Bitcoin has implemented some new features such as SegWit and the Lightning Network, which allows exchanges or companies to support “off-chain” (outside of the blockchain) transactions that have low or almost zero fees. However, for now adoption is still slow, and it remains to be seen what impact Segwit and Lightning Network will have on future Bitcoin transactions.

New coins that are focused on delivering a high number of transactions per second and low fees have appeared in the past few years. The coins with the highest number of transactions include cryptocurrencies such as Ripple, Stellar, IOTA, Nano, NEM, Litecoin, Bitcoin Cash, and potentially even Ethereum.

Privacy Coins

Many people have misunderstood Bitcoin’s privacy features, assuming that Bitcoin payments were by default anonymous. However, that’s not quite true. At most, Bitcoin wallet addresses and transactions are pseudonymous in the same way you can create a Twitter account that uses a random nickname instead of your real name and you don’t feed it your real name anywhere in the account. However, Twitter will still know your IP address and anyone you communicate with on the platform, as will everyone else (because Twitter is public).

Monero
Similarly, all of your transactions are done on the public ledger/blockchain and anyone who decides to inspect your transactions can see from who you purchased products or to whom you paid money. The only way to have truly anonymous or private transactions is to use Tor for everything and to avoid tying any of those transactions to your real name, location, and so on, just as you would do if you wanted to create a truly anonymous Twitter account.

Some cryptocurrencies solve this issue in different ways (although some of them can also integrate with Tor). One of the most popular and trustworthy is Monero, which is generally regarded as “untraceable.” However, there are still ways in which you can err and reveal your identity, if you’re not careful how you do your transactions.

Zcash is another privacy-focused cryptocurrency that uses a brand-new cryptography technique called “zero knowledge proofs” to create anonymous transactions. However, these transactions are not enabled by default, because they use too many computational resources. The default transactions are just as transparent to the network as Bitcoin transactions are. The project’s team has promised to improve the performance of anonymous transactions significantly in the future.

Other lesser known privacy coins include DASH, Verge, PIVX, ByteCoin, Komodo, DeepOnion, etc.

Programmable Blockchains

Ethereum is the most popular “programmable blockchain” platform that allows developers to build other apps, cryptocurrencies, or “smart contracts” (automated scripts that enforce a contract between two or more parties) on top of it.

Qtum
Smart contracts promise to be a revolution in the finance industry, but also in other industries such as healthcare, real estate, or any industry that might benefit from the radical transparency and accuracy provided by smart contracts.

Ethereum also supports the creation of “tokens,” which are a representation of certain assets on a blockchain. The tokens can represent other cryptocurrencies, commodities, or reward/loyalty points. Tokens are then distributed to the public through Initial Coin Offerings (ICOs), which are somewhat similar to companies offering an Initial Public Offering (IPO) when they go on the public stock market.

Developers can also create “decentralized applications” on programmable blockchains, such as identity and reputation systems, voting and governance platforms, financial apps, decentralized file storage apps, messaging apps, and more.

Some of the most popular programmable blockchain cryptocurrencies, besides Ethereum, include Cardano, EOS, Lisk, NEM, Neo, Qtum, etc

Store Of Value/Stablecoins

As we already mentioned, some people consider Bitcoin a transaction cryptocurrency, whereas others see it as more of a store-of-value crypto-asset or as “digital gold.” Bitcoin is considered a store of value because all of the other (over 1,500) cryptocurrencies seem to rise or fall in value based on how well Bitcoin does. If Bitcoin has a few good months, then so will the other cryptocurrencies. If Bitcoin crashes, then so do the other coins.

TrueUSD
However, most other coins tend to crash much harder than Bitcoin does, because some people convert money into USD, while others prefer to keep them in Bitcoins. These people keep their money in Bitcoin either because they believe Bitcoin will rise again even more in the future, or because converting into USD means they have to pay taxes for that year, as they’re essentially “taking profits.” This is what keeps Bitcoin’s value relatively high when the whole cryptocurrency market sees a decline.

When the market dips, though, Bitcoin does tend to lose much of its value, which is why some cryptocurrency investors convert to “stablecoins.” A stablecoin is a coin that is a price-stable cryptocurrency, with its value tied to a fiat currency such as the U.S. dollar.

When people buy and sell stablecoins, the value will self-correct to be as close as possible to the value of USD (within 3%-7%). Therefore, even if the cryptocurrency market declines by 70%, those who have put their money into stablecoins before the decline will not lose nearly as much in value as everyone else.

The most popular stablecoin in the past few years has been Tether. However, Tether is also highly controversial right now, because the company behind it seems to continue to print Tether out of thin air without showing much evidence that they’re backing it with real USD, like they were supposed to do.

Alternatives to Tether include MakerDAO’s Dai, TrueUSD, Basecoin, Bitshares’ BitUSD, Kowala’s kUSD, etc.

DGX
Another store of value cryptocurrency that’s somewhat similar to stablecoins is DigixDAO’s DGX token, which is backed by (real) gold instead of by fiat currencies. That means its value shouldn’t be quite as stable as the value of stablecoins, because fiat currencies are much more stable than goal in general. However, it should still be significantly more stable than Bitcoin or most other cryptocurrencies, as gold is still far less volatile than cryptocurrencies are.

At the time of this writing, the cryptocurrency market has suffered quite a beating from the sellers, as negative news about major exchange hacks and government regulations abound. However, unless this time really is different, then the market should rebound again, as it’s done plenty of times in the past decade. Then, we should be able to see even more types of coins and blockchain technologies emerge as developers continue to innovate.

What do you think about these coins?

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