1. The reader's comment under my article "Investment Experience with ORDI" on March 6th made me recall a past experience of my own: when I first entered the investment market and started investing in stocks, I was fascinated by short-term trading.

At that time, whenever I saw a "master" on the internet, either domestically or internationally, making a myth through short-term trading of a certain stock, I was as excited as if I had found the "Nine Yin Manual". I always tried to understand the techniques and indicators inside.

But in the end, I had no luck with this approach. Not only did I fail to achieve those myths, but I also suffered heavy losses. "Nothing is more sorrowful than a dead heart." Since then, I have never been interested in this approach again.

2. What is NAT?

The NAT based on digital physical theory mentioned in the article refers to DMT-NAT. For more details, please refer to https://ordinalswallet.com/collection/tap-DMT-NAT.

There are many articles online about this protocol. You can search for DMT NAT. This concept is quite interesting, but currently, there are not many projects based on it.

3. None of the coins I hold have increased in value. Is there still hope?

This question probably can only be answered by oneself.

We can think about it ourselves: Is the lack of increase in value due to problems with the coin itself or is the market temporarily ignoring it? If the coin is not the problem and it's just temporarily being ignored by the market, then it's not a big issue. Because in a bull market, almost every track will rotate, and as long as the coin is not problematic, it will eventually rotate.

If you are not sure whether your coin has a problem, you can try to recall why you bought it in the first place. Now, re-evaluate whether the reasons for buying it still hold true.

If you can't answer these questions, it means you still don't understand. Since you don't understand and feel frustrated and hopeless, it might be better to just exchange them all for Bitcoin and Ethereum.

4. As a newcomer to the coin circle, without experiencing a complete bull and bear market, I have no concept of risk. In 2021, I mortgaged my house at the end of the bull market, and then suffered for three years, only seeing hope this year.

Seeing this reader's comment, I can't help but feel anxious for him.

I have always advocated using spare money for investment, never using money that affects your livelihood, and never using mortgaged assets to raise capital.

Operating with such high leverage carries a very high risk. I think this operation went smoothly due to good luck, but everyone's good luck is limited. Once luck is not so good, all previous efforts will be in vain.

In addition, even if the final result of using such high leverage is good, the process can cause significant psychological and physiological damage. During this process, living in a state of fear and anxiety every day, it is very likely that before seeing the fruits of victory, one's psychological and physical health will be affected. And once there are health issues, no amount of money can help.

5. After reading Vitalik's article, he mentioned that in the face of a quantum attack, Ethereum can use a rollback approach. What do you think of this approach?

I understand that Vitalik is talking about extreme measures. However, if this situation really occurs, it would not be surprising for Vitalik to do so, as Ethereum did the same after the DAO incident.

I think such events should be avoided as much as possible. Because once it happens, whether to roll back or not, it will hurt at least half of the community's consensus.

In addition, I think the probability of such a situation is very low, and the resistance to quantum attacks has already been deployed and arranged in Ethereum's future development path. The Ethereum community also has a dedicated team researching resistance to quantum attacks.

So overall, I am not very worried about Ethereum being attacked by quantum.

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