Arbitrage

Is Arbitrage a Form of Trading?

Yes, arbitrage is unequivocally a form of trading. It is classified as a low-latency, market-neutral trading strategy. The key difference compared to speculative trading (where a trader buys hoping the price will rise or sells hoping it will fall) is as follows:

Directional Trading (Speculation): The risk and reward depend on the future direction of the asset's price.

Arbitrage: The reward depends on the existing price disparity between two markets at the same time. It is a simultaneous buy and sell operation that seeks to exploit a current inefficiency, not a future prediction.

Therefore, it is a trading discipline that requires capital, fast execution, and risk management, although its fundamentally simultaneous nature grants it a low-risk classification compared to other strategies.

The Risks of Arbitrage

While arbitrage is promoted as "directional risk-free," it is not free of operational risk or execution risk. The difference between gross profit and net profit can be vast if the following risk points are not managed:

a) Execution and Slippage Risk

This is the most common and dangerous risk. An arbitrage opportunity usually lasts for only a few seconds or even milliseconds.

How to Buy Bitcoin in 2025

How to Buy Bitcoin: A Step-by-Step Guide:

Bitcoin hasevolved from a niche digital experiment to a mainstream financial asset that millions of people worldwide hold in their investment portfolios. 

As we navigate through 2025, buying Bitcoin has become more accessible than ever before, with numerous platforms, payment methods, and regulatory frameworks making the process straightforward even for complete beginners. 

Whether you're looking to diversify your investment portfolio, hedge against inflation, or simply explore the world of cryptocurrency, this comprehensive guide will walk you through everything you need to know about purchasing Bitcoin in 2025.
We'll cover the entire process from start to finish, including choosing the right platform, securing your investment, and avoiding common pitfalls.

What You're Actually Buying

Before diving into the purchasing process, it's essential to understand what Bitcoin actually is. Bitcoin is a decentralized digital currency that operates without a central bank or single administrator. It can be sent from user to user on the peer-to-peer Bitcoin network without intermediaries.

When you buy Bitcoin, you're acquiring a digital asset that exists only in electronic form. You don't receive a physical coin or certificate; instead, you receive a cryptographic key that proves ownership of a specific amount of Bitcoin on the blockchain—a public, distributed ledger that records all Bitcoin transactions.

Who said HODL for the first time?

December 18, 2013

This is how Hodl started, in a Bitcointalk forum post, by user GameKyuubi, he said why he was still "hodling" (unsold) in his post, "I AM HODLING", he already knew there was a misspelling, but decided that hodling was the best definition.

Since then, HODL has been used countless times to comment that in a price drop, don't sell, hold Hodl, or that the least risky way to own Bitcoin is with Hodl.

The Origin and Meaning of HODL

HODL is a cryptocurrency slang term that could give the literal meaning to "Hold On for Dear Life," although its origin was simply a spelling mistake.

The community adopted this spelling mistake as an acronym (although in reality it is a backronym) that personifies the philosophy of holding cryptocurrency long-term, regardless of volatility or extreme market drops.

Philosophy: It is the antithesis of active trading. It implies a deep belief in the future value of the asset, ignoring short-term price fluctuations.

HODL and its Link with "Strong Hands"

The concept of HODL is intimately linked to that of "Strong Hands" in financial jargon:

Strong Hands: It refers to the investors or market participants who have the conviction and emotional strength to hold their assets (like Bitcoin) through large price drops. They don't get scared or sell in panic. They are considered the stable base of the market.

Link with HODL: The action of HODL is the practical definition of being a "Strong Hand." An investor who HODLs is someone with Strong Hands.

Contrast with "Weak Hands": These are traders or retail investors who enter and exit the market quickly. They sell as soon as they see a small profit or, more commonly, sell in panic in the face of any major price correction, transferring their assets to the Strong Hands at low prices.

In essence, the HODL culture is the mantra of the Strong Hands to resist volatility and accumulate long-term wealth.

Glossary

Bitcoin Glossary: Essential Terms Every Bitcoiner Should Know

Welcome to the most comprehensive Bitcoin glossary you'll find. Whether you're taking your first steps into the world of cryptocurrency or you're a seasoned hodler looking to refresh your knowledge, this guide is designed for you.

Bitcoin was born in 2009 from the mind of the mysterious Satoshi Nakamoto, and since then, it has created an entirely new financial language. Terms like "blockchain," "mining," "halving," and "HODL" have become part of everyday conversation for millions of people around the world.

Understanding this vocabulary is not just about sounding smart at dinner parties. It's about truly grasping how Bitcoin works, making informed decisions, and protecting yourself from scams and misinformation. Knowledge is your best investment.

This glossary contains 100 essential terms organized alphabetically, from basic concepts like "Address" and "Wallet" to more advanced topics like "UTXO" and "Taproot." Each definition is written in plain English, avoiding unnecessary jargon while remaining technically accurate.

How to use this glossary:

• New to Bitcoin? Start with the basics: Bitcoin, Blockchain, Wallet, Private Key, and HODL
• Interested in trading? Focus on: Exchange, Market Cap, Limit Order, Stop Loss, and Volatility
• Want to understand the tech? Explore: Mining, Hash Rate, Proof of Work, SegWit, and Lightning Network
• Security conscious? Read: Cold Storage, Seed Phrase, Multisig, and "Not Your Keys, Not Your Coins"

Bookmark this page. You'll come back to it more often than you think.

Exchanges Ranking

https://data.bitcoinity.org/markets/rank/30d/USD?c=e&t=ae

Classifying exchanges is always a complicated task because you have to be sure that the data, quantities, order book, volume, sales orders, purchase orders they handle are real and that is what is expected of them, to understand a little more on the subject, there is an article in the link to the next page that helps us understand it.

TL;DR: Using order books instead of volume to decide which exchanges are the biggest.

link: Ranking system
 

Latest Bitcoin Blocks

https://explorer.btc21.org/

Last blocks extracted, this graph provides important details of the last blocks, time since the last validation, volume, rates, the page itself contains very didactic information.
If we click on the block number, a page will open with more complete information on the extracted block.

In the Block Analysis section we will obtain more information about a specific block.
 

Bitcoin ATM

There are more and more ATMs installed in the world, this offers a lot of versatility to bitcoiners and is also a form of adoption for those new to Bitcoin, in a very simple and safe way they can make their first purchase.
The number ATM is 13,781

Coin ATM Radar
https://coinatmradar.com/

Bitcoin Forum

https://bitcointalk.org/index.php?topic=5.0

BitcoinTalk is a message board where people interested in the technical details and development of Bitcoin software can talk and debate with each other. The forum also has places for people interested in bitcoin mining, bitcoin trading, and the Bitcoin economy.
The current administrator of the forum is theymos and the founder Satoshi Nakamoto, currently it is the reference forum for Bitcoin worldwide.

Satoshi published his last message on December 13, 2010, since then no one knows about his whereabouts or identity, there have been many speculations about his identity but to this day he remains anonymous.

* General Statistics Bitcointalk

- Total Members: 2951043
- Total Posts: 55990164
- Total Topics: 1267210
- Total page views: 4795109378
 
 2025:

The founder of Bitcointalk.com is Satoshi Nakamoto, the pseudonym used for the creator or group of creators of Bitcoin.

The forum's history began before its current domain. Initially, Satoshi used a SourceForge forum for the first technical discussions and development of Bitcoin, a forum that is considered lost today.

On November 22, 2009, Satoshi Nakamoto founded Bitcointalk.com as the direct successor and the main public communication hub for the project, welcoming users, many of whom came from the cypherpunks mailing list. During their participation on the forum, Satoshi published nearly 570 messages, with their last known public contribution being in April 2011, before disappearing from the project.

Bitcointalk.com today is the largest and oldest message board in the world dedicated to cryptocurrencies and blockchain technology. It is considered a vital historical document and a fundamental platform for the community, where new projects, Initial Coin Offerings (ICOs), and key updates are often announced. Currently, the domain is owned by Sirius (Martti Malmi), one of the earliest Bitcoin developers, and the forum is administered by a user known as theymos.

Regarding the entities that preserve his legacy, the Satoshi Nakamoto Institute (SNI) is a non-profit corporation founded in November 2013 in Texas, with the mission to advance and preserve knowledge of the history, economics, and technology of Bitcoin. It functions as a resource library, publishing Satoshi's writings and other relevant works.

Bitcoin Heatmap

Heatmap of cryptocurrency prices, market capitalizations, volumes, and Bitcoin dominance in COIN360, Exchanges, Watchlist, Liquidity Book and Charts.

https://coin360.com/

Halving BTC Countdown

 

https://twitter.com/coinmetrics

What is Halving:

Every 210,000 blocks mined, or about every 4 years, the reward given to Bitcoin miners for processing transactions is cut in half. This cuts in half the rate at which new Bitcoin is released into circulation. This is Bitcoin's way of using a synthetic form of inflation that halves every four years until all Bitcoin is released and is In circulation. Halving will continue until 2140, after which the result will be less than one satoshi, the smallest bitcoin unit.

For the first 210,000 blocks, the mining reward was 50 bitcoins (BTC)
November 28, 2012. Bitcoin's block reward dropped from 50 BTC to 25 (BTC)
The second was on July 9, 2016, dropping the block reward from 25 BTC to 12.5 (BTC)
The third was in 11, May 2020, dropping the block reward from 12.5 BTC to (6.25)

On this page you can see in real time when the next Bitcoin halving will occur:

https://www.bitcoinblockhalf.com/

Next Halving May 2024

Is Bitcoin Decentralized?

Bitcoin - Decentralized vs Centralized

When people first hear about Bitcoin, one of the most frequently touted features is its decentralization. But what does that actually mean? Is it just marketing hype, or is there something fundamentally different about how Bitcoin operates compared to traditional financial systems? The answer is nuanced and fascinating, revealing a technology that distributes power across multiple dimensions in ways that challenge our conventional understanding of money and networks.

The Absence of Central Authority

At its core, Bitcoin operates without any central authority figure or institution. There's no Bitcoin Corporation, no CEO making decisions about the network's future, and no board of directors controlling its operations. This stands in stark contrast to every traditional currency and payment system you've ever used.

When you use US dollars, the Federal Reserve controls monetary policy, decides how many dollars to print, and sets interest rates that ripple through the entire economy. When you use PayPal or Venmo, a company controls your account, can freeze your funds, and ultimately decides whether your transactions are approved. Bitcoin has none of this. No single entity can decide to create more bitcoins beyond the predetermined schedule, freeze anyone's funds, or prevent transactions from occurring.

This absence of central authority isn't just a philosophical choice, it's engineered into the very fabric of how Bitcoin works. The rules of the network are enforced by code and mathematics, not by the decisions of any person or organization.

Genesis Block Bitcoin 03 / January / 2009

"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"

 

(hexadecimal decoded to ascii)

 

Hash: 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f CoinBase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f7 2206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73�� E 

The Times 03/Jan/2009 Chancellor on brink of second bailout for banks. 

 

First block (block 0) extracted at 18:15 GMT on January 3, 2009, the first block of the Bitcoin network was born with an internal message addressed to the world.

The coinbase parameter contains the following text:

"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks".

 

Address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa

Hash  000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f

Block 0

 

You can also enter the hash of the block on this page and it will show you the internal message:

BLOCKCHAIR

The Immortal Manifesto: 

The Times Headline Embedded in the Heart of Bitcoin

On January 3, 2009, amidst the chilling aftermath of the global financial crisis, Satoshi Nakamoto mined the very first block of the Bitcoin blockchain. This foundational block, known as the "Genesis Block" contained an initial reward of 50 Bitcoins and a striking piece of text embedded in the coinbase field:

"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"

This headline from The Times of London was not a random choice; it was a rallying cry, an immutable piece of evidence, and a declaration of Bitcoin's mission. Its significance resonates deeply, establishing the historical and philosophical context for the creation of the digital currency.

• The Historical Context: The Problem to Be Solved

The year 2008 was defined by the housing bubble collapse and the credit crisis, forcing governments worldwide to inject trillions of taxpayer dollars into the banking system to avert total financial meltdown. The crisis exposed the fragility of the fiat money system and the profound public loss of trust in the centralized institutions that were supposed to be the custodians of stability.

The message in the headline encapsulates this failure: while governments and centralized banks operated under a system based on trust (a trust that had been betrayed), Bitcoin was launched as a system based on cryptographic proof and decentralization, removing the need for fiduciary intermediaries entirely.

• The Technical Significance: The Timestamp

Technically, the message embedded in the Genesis Block's coinbase field serves two critical functions:

Proof of Time (Timestamp): By including a dated newspaper headline, Satoshi demonstrated that the Genesis Block was not pre-mined. It provided irrefutable evidence that the block was mined after January 3, 2009, permanently linking Bitcoin's creation to that specific moment in time. This linking is essential for the integrity of the blockchain's immutable ledger.

Genesis Uniqueness: The coinbase field is typically reserved for a small amount of arbitrary data chosen by the miner (often including their address for the reward). By using this space for the headline, Satoshi stamped the block with a unique signature, setting it apart from every other block and cementing its status as the unalterable starting point of the network.

• The Philosophical Manifesto: A Solution to the Bailout

The philosophical importance of the message is its deepest legacy. It is, in essence, Bitcoin's mission statement.

Bitcoin was born as a direct response to the need for a currency whose supply and rules could not be manipulated by politics or the necessity of bank bailouts.

The Times headline underscores the centralized and arbitrary nature of the fiat system: the fate of banks depends on the decisions of a "Chancellor" (Finance Minister).

Bitcoin, conversely, is governed by code (the Protocol) and mathematics (Proof-of-Work). No single entity can "bail out" Bitcoin, nor can anyone manipulate its hard supply limit of 21 million coins.

This message etched the contrast between the imposition of debt onto citizens to save failing institutions and the financial liberation offered by a decentralized system. The The Times headline serves as a constant reminder that Bitcoin is not just a new technology, but a political-economic movement born out of systemic distrust.

What is Bitcoin? (video)

"Bitcoin is an innovative payment network and a new kind of money."

In a simple and entertaining video you can acquire some basic notions of what Bitcoin is, it is one of the first and best known and published as an example on many web pages, blogs and social networks.

Setting the Scene: Bitcoin's Original Explainer

The video you are referring to, which begins with the iconic phrase, "Bitcoin is an innovative payment network and a new kind of money," holds a special place in the history of cryptocurrency education.

Its Significance

A First Contact Landmark: Published in the early days of Bitcoin's public life, this video quickly became one of the first, most accessible, and most frequently cited explainer videos. When mainstream audiences first started asking, "What is Bitcoin?" this video was the immediate, concise answer.

Viral Adoption Tool: Its simple, entertaining narrative was perfect for the social media and blogosphere of the early 2010s, leading to its widespread publication as a go-to example on countless web pages, blogs, and social networks. It was a key tool in moving Bitcoin beyond the cryptography mailing lists into the general tech consciousness.

Bridging the Gap: The video successfully broke down the complex, decentralized operation of Bitcoin into basic notions, making it the perfect initial contact point for newcomers. It demystified the concept of a peer-to-peer electronic cash system.

The video serves as an essential introduction to the operation of Bitcoin. If you find yourself interested in delving deeper into the technical and economic implications, we highly recommend reading the comprehensive guide below.

What is Bitcoin?

The video, the one that begins with the iconic line "Bitcoin is an innovative payment network and a new kind of money" is the original explainer video from Bitcoin.org.

It was initially published around March 2011.

This video is historically significant because:

• It was released at a very early stage of Bitcoin's public life (recall that the Genesis Block was mined in January 2009).
• It became the main visual resource on Bitcoin.org and was key to attracting mass attention to the project.
• It served as the "go-to video" that helped millions of people understand, in a simple way, the difference between Bitcoin and fiat money for the very first time.

The fact that it was published so early (2011) demonstrates its fundamental role in the initial stage of introducing Bitcoin to the general public.