Equipped Coin -

Game Over

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Buy and Equip
A blockchain is an immutable (unchangeable) digital ledger of transactions that can be programmed to record any digital item (not just money).

In the real world, when we exchange items, I give you the item (so you now own it) and you give me the money. In the digital world, I could just make a copy of the item before I sell it to you and then we would both own it. Blockchains utilize different techniques to create a "chain" of blocks and prevent this issue of double ownership. Learn More
Bitcoin is a cryptocurrency and open-source payment network that allows peer-to-peer transactions (removing the middlemen), borderless payments, and fraud protection. It is deflationary money that is not owned/managed by any government and not tied to any geographic region. Fun fact: Bitcoin (capital 'B') is the blockchain and bitcoin (little 'b') is the currency that is used on the blockchain. Jameson Lopp maintains the best directory of links (here) for anyone that wants to learn more about Bitcoin, Blockchain, and cryptocurrency.
Ethereum is a decentalized platform that runs smart contracts. It enables 'programmable digital money' which allows money to only be sent when certain conditions are met. Fun fact: Ethereum is the blockchain, ether is the cryptocurrency that you need to use the blockchain. So you are actually spending ether, not Ethereum. Here is a great collection of links to learn more about Ethereum."
You will hear a lot of talk about decentralization when it comes to blockchain and cryptocurrencies. This is because decentralization is the main selling point for why you should use blockchain and cryptocurrencies.

In short, decentralization just means that a central entity doesn't have control over the system. For example, Facebook is centralized because everything that goes on within Facebook's ecosystem is owned by them (including any personal info that you gave them). It also means that Facebook is a single point of failure. An evil actor could hack Facebook and get access to the information about the billions of people that use any Facebook product.

A decentralized entity is not owned by any one entity. Therefore the decentralized entity can't be shut down, isn't a central point of failure, doesn't control your data, and can't make decisions without input from the users. Learn More
Partially. Some of the downfalls of decentralized blockchains are that they are expensive and slow (the things that make a decentralized blockchain useful - not owned by any one entity, secure, etc - have tradeoffs). Expensive and slow doesn't work for a lot of things (imagine having to pay a fee after every single round of Dappy Coin), so for unimportant data (like your Dappy Coin high score) it doesn't make sense to save it to a blockchain.

However, two pieces of data that Dappy Coin needs are very important - your personal and payment info. For those, we utilize the Ethereum blockchain and therefore are decentralized. Also, since you can buy special coins, we have the option for you to periodically save your data to the blockchain. This way, if you buy a couple special coins (which would be very nice of you) and click the "Save to Ethereum" button at the end of a round, you know that we can never say that you didn't actually purchase those coins because that information is stored forever on the blockchain.
Nope. The game is completely free to play. The only thing you will need a little ether for is if you want to save your data on the Ethereum blockchain or purchase a special coin.

Have any other questions or comments about the game? Reach out to me on Twitter @ConnorVO.