DefiOldTrickster

Recently, I’ve been thinking about a question: why do some people always lose money when trading, while others can consistently make profits? The key might lie in the concept of the risk-reward ratio.
What exactly does the risk-reward ratio mean? Simply put, it’s the ratio between the amount of money you make and the amount you lose each time. But many people haven’t seriously calculated this. Let me give an example: suppose you have $100 in your wallet, and you only risk 10%, which is $10, on each trade.
If your risk-reward ratio is 1:1, meaning you make $10 when you win and lose $10 when you

Recently, while studying blockchain technology, I found that many people do not fully understand the concept of nonce. Put simply, a nonce is a “one-time use number,” and it plays a super critical role in mining.
In simple terms, when miners mine, they’re essentially playing a calculation game. They take the transactions to be processed, assemble them into a new block, and then continuously adjust this nonce value to perform SHA-256 hash calculations on the block until they find a hash result that meets the network difficulty standard. Although this process sounds simple, it actually requires

Ethereum this wave is a bit interesting, it's just a little short of 2500, but it feels like there’s a chance. It's only at 2.32K now, and there's still quite a bit of room to grow. Recently, on-chain activity has been a bit frequent, and big players are quietly positioning themselves. Could it be waiting for this breakout? If the 2500 level is broken, there might be more stories to tell. Is anyone else paying attention to this target?

I recently came across an interesting data report about the performance of altcoins that are newly listed on major exchanges. The data shows that over 90% of new altcoins drop below their initial offering price within a year of listing, which is quite a high proportion.
Even more heartbreaking is that only about one-third of these new tokens experience a price surge right after launch, while the rest basically peak at opening. After one year, the number of altcoins that can stay above their initial issuance price is pitifully small, less than 10%.
So if you've been looking into some new coin p

I saw this article spreading wildly online, with 120 million views, hailed as the "annual divine post."
But I noticed an interesting phenomenon: most people read it and forget, just eating, sleeping, living their lives unchanged.
Why? Because understanding is easy, doing is hard. Especially when it comes to self-transformation, relying solely on motivation is not enough.
I am exactly like that. I’ve made countless promises before—New Year’s plans, life goals—but none of them were realized.
Only later did I realize that true change isn’t about willpower alone, but about fundamentally ch

Recently, I saw someone discussing the difference between left-side trading and right-side trading again, and I think this topic is indeed very important for beginners.
To put it simply, left-side trading is actually a manifestation of contrarian thinking, which is the operational logic of being greedy when others are fearful and fearful when others are greedy. You buy at the market bottom and sell at the market top. It sounds simple, but executing it requires strong psychological resilience. Right-side trading is completely different; it follows the trend, chasing in when the market just star

Recently, someone asked me why Bitcoin's price fluctuations are so intense. Looking back from the recent all-time highs to the current market situation, there are actually quite a few interesting reasons behind it.
Let me start with an intuitive feeling. Bitcoin was hovering around $15,000 USD last year, and now it has surpassed $78,000 USD, nearly a fivefold increase in just over a year. Such a surge is truly astonishing, but if you understand the principles behind cryptocurrency price movements, you can actually see the clues.
First, there has been a change on the supply side. The total supp

Recently, I’ve noticed an interesting phenomenon: the Bank of Japan’s policy direction seems to have become a focal point for market attention. Economists at Rakuten Securities have put forward a thought-provoking perspective—how much the current Middle East situation’s impact on energy prices will spill over into other commodities and services is the key factor behind the BOJ’s decision-making.
Their view is that the central bank should take a cautious approach at next week’s meeting and not rush to raise interest rates in Japan. The logic is actually quite clear: under this kind of external

I recently came across an interesting economics question—if printing money is so simple, why doesn’t every country do it? It reminded me of the story of Zimbabwe, and the secret behind the United States printing money.
First, let’s talk about a simple logic. If you print a sheet of paper yourself, put your ancestors’ portraits on it, write “This is worth 100 dollars,” and then take it to buy things, no one will pay any attention. But if Americans do the same thing, the whole world accepts it. Why? Because the United States is the strongest, and the world trusts the dollar.
After World War II,

Recently analyzing on-chain data, I found that the MVRV Z-Score indicator is quite reliable and has been validated across four cycles. Simply put, it is used to determine Bitcoin's top and bottom regions.
First, understand what MVRV measures. It’s actually comparing two values: market value and realized value. Market value is straightforward—current BTC price multiplied by circulating supply—but this number can be influenced by external factors like news, FOMO, leverage, and so on. Realized value, on the other hand, reflects the true cost basis of all holders.
How is realized value calculated?

Recently, I saw someone in the community asking about the concept of internal and external markets, so I want to share my understanding in hopes of helping everyone.
First, let's talk about what an internal market is. Before a new token is officially launched, the project team usually injects virtual liquidity into a testing environment or private pool, and this is called the internal market. Simply put, the project team sets up a virtual trading pool to create a false impression of "market depth" before going live, attracting early buyers to enter. These virtual sell orders are controlled by

There's something that's always been very interesting. A person named Satoshi Nakamoto changed the world with a 9-page PDF, then disappeared — 15 years with no trace. No one knows who he is.
On October 31, 2008, this name appeared on the cryptography mailing list. He published a paper titled "Bitcoin: A Peer-to-Peer Electronic Cash System." Two months later, the Bitcoin network went live, and the genesis block was mined. Satoshi left a line in it: "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks" — the UK Chancellor was conducting a second bank bailout. This was not just

Recently, I recalled this case again, and it’s still quite thought-provoking. 2 million Chinese people were scammed out of 500 billion yuan; when you think about it, it’s outrageous—yet this is a real event that happened.
Many people know the tragic ending of MBI, but they don’t know how it gradually evolved into a Ponzi scheme. Zhang Yufa, this person, it’s no exaggeration to call him a genius con artist. His scheme evolution history is almost a textbook for multi-level marketing.
During the 2008 financial crisis, he opened a Hongdao Café. It sounds like a legitimate business, but in reality?

Recently, I’ve been pondering a question: why do blockchain projects dare to launch new features? The answer is actually simple — they all have a testnet as a safety barrier. I’ve noticed that many people still have some confusion about the concept of testnets, so I’ll organize my understanding here.
Speaking of which, the concept of testnet has actually been around for over ten years. In October 2010, Gavin Andresen, one of Bitcoin’s developers, submitted a patch, which is considered the first testnet. At that time, Satoshi Nakamoto also accepted this idea, opening a door for the entire crypt

Recently, I’ve seen many people in the community asking about virtual currency contract trading skills, so I decided to organize my observations from the past few years.
Honestly, the crypto contract market is like a magnifying glass. A while ago, I heard someone used 5,000 yuan with 10x leverage to go long on Bitcoin, and in a few days, it turned 100 times. But on the same day, someone else with 100k yuan in capital got liquidated to zero. This is not a story; this is the daily life of contract trading.
I found that most beginners make the same mistake: they don’t understand the essence of le

Recently, new traders have been asking me about the difference between full margin and isolated margin. Let’s clarify it thoroughly today.
First, let’s talk about isolated margin. This mode is actually the most friendly for beginners. Simply put, you allocate collateral to a specific position separately; if you incur a loss, it only affects that amount, and won’t involve your other account funds. It sounds safe, but the problem is that in highly volatile markets, if you leverage too much, this collateral can be quickly eaten up, leading to forced liquidation. The advantage is that the risk is

Eight years of experience in the crypto world has taught me one thing: this market recognizes only two points—depth of understanding and disciplined execution. The first three years I lost over 10k, but in the following four years, I relied on my understanding of rollover strategies to quickly double small capital.
Many people ask me how I did it; actually, it all boils down to one word: rollover. Simply put, it’s continuously adding to positions on the basis of profits, making gains work for you. I’ve seen someone use 10k yuan of principal to roll over in a bull market, eventually earning hun

Wait, when did Lee Min-ho and Song Hye-kyo get together? Is my phone okay? Where did this news come from? Why haven't I heard any rumors at all?
Both of them are big stars in the entertainment industry, how could something like this happen without any noise? Could it be that I've been too busy lately and haven't checked my phone? It feels like the entire internet is exploding, but I seem to be offline.
The pairing of Lee Min-ho and Song Hye-kyo, how much of a sensation would that cause? Can someone tell me the details?

Recently, I’ve noticed many beginners are confused about the concept of margin when trading contracts, especially between cross margin and isolated margin modes. Some just pick one and use it, only to end up losing money inexplicably. Today, I’ll explain this thoroughly to help everyone avoid pitfalls.
First, let’s start with the basics: opening a position requires margin, which is locked in the position. But margin has two meanings: one is the initial margin needed to open the position, and the other is the minimum maintenance margin level to keep the position open. Confusing these two concep

I’ve noticed that many people’s understanding of candlestick patterns actually remains at a very superficial level. Reflecting back to 1990 when our stock market opened, candlesticks were directly introduced, but honestly, the research on candlestick patterns at that time was not in-depth enough, mainly just copying Japanese results—some scattered single, double, and multiple candlestick statistics, without forming a systematic and complete pattern.
To be honest, candlestick patterns and various indicators, although essential tools in technical analysis, are just references, not absolute truth