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Every informed person needs to know about Bitcoin because it might be one of the world’s most important developments

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Bitcoin Core 0.15.0 Released

Bitcoin Core 0.15.0 Released

We are pleased to announce the release of Bitcoin Core 0.15.0, which provides better fee estimates and more accessible fee bumping, initial support for multiple wallets in a single installation, and a number of significant performance improvements. Many bug fixes,...

Bitcoin Core 0.13.0 Released!

Bitcoin Core 0.13.0 Released!

We’re pleased to announce the official release of Bitcoin Core 0.13.0. During the six-month development cycle leading to this release, dozens of contributors have made hundreds of notable improvements to Bitcoin Core. Among the many upgrades available in this release,...

Version bits FAQ for miners

Version bits FAQ for miners

What is version bits BIP9? The version bits BIP9 system is a way to introduce backward compatible rule changes to the Bitcoin consensus rules, known as a soft fork. version bits allows miners to signal that they can validate the soft fork rules. It also allows for up...

Compact Blocks FAQ

Compact Blocks FAQ

Compact block relay, BIP152, is a method of reducing the amount of bandwidth used to propagate new blocks to full nodes. Summary Using simple techniques it is possible to reduce the amount of bandwidth necessary to propagate new blocks to full nodes when they already...

Mining solutions

Anybody can become a Bitcoin miner by running software with specialized hardware. Mining software listens for transactions broadcast through the peer-to-peer network and performs appropriate tasks to process and confirm these transactions. Bitcoin miners perform this work because they can earn transaction fees paid by users for faster transaction processing, and newly created bitcoins issued into existence according to a fixed formula.

For new transactions to be confirmed, they need to be included in a block along with a mathematical proof of work. Such proofs are very hard to generate because there is no way to create them other than by trying billions of calculations per second. This requires miners to perform these calculations before their blocks are accepted by the network and before they are rewarded. As more people start to mine, the difficulty of finding valid blocks is automatically increased by the network to ensure that the average time to find a block remains equal to 10 minutes. As a result, mining is a very competitive business where no individual miner can control what is included in the blockchain.

The proof of work is also designed to depend on the previous block to force a chronological order in the blockchain. This makes it exponentially difficult to reverse previous transactions because this requires the recalculation of the proofs of work of all the subsequent blocks. When two blocks are found at the same time, miners work on the first block they receive and switch to the longest chain of blocks as soon as the next block is found. This allows mining to secure and maintain a global consensus based on processing power.

Bitcoin miners are neither able to cheat by increasing their own reward nor process fraudulent transactions that could corrupt the Bitcoin network because all Bitcoin nodes would reject any block that contains invalid data as per the rules of the Bitcoin protocol. Consequently, the network remains secure even if not all Bitcoin miners can be trusted.

How Blockchain Works

A blockchain, originally blockchain, is a growing list of records, called blocks, that are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree). By design, a blockchain is resistant to modification of its data. This is because once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks.

For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Although blockchain records are not unalterable, blockchains may be considered secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. The blockchain has been described as “an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way”.

Why Invest in Crypto?

Like it or not, cryptocurrency is practically everywhere these days and no longer just for day traders and nerds. In fact, many traditional businesses are integrating cryptocurrency into their platforms in some form, or using it as a means to launch other types of products.

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