Can you share with us the price level at which you sold your Bitcoin?
I admire your dedication to Bitcoin, at first, your target is really for investment, Bitcoin as an investment so for sure around the year 2015, you really bought an extremely cheap Bitcoin back then.
Your regrets for selling your Bitcoin too early are very common for Bitcoin hodlers, even for those people who regret only a few percentages of profits. It has also happened to some people.
You already learned your lesson for sure.

Don't be sad! Taking profits is never a bad idea, and for sure you used those profits in good, you enjoyed the run.

You are not alone.

I don't think their cryptocurrency or Bitcoin will lose totally or will not be use forever. Since if you deposit or hold your cryptocurrency on centralized exchanges, it will automatically owned by the exchange, they own the keys. So the major problem if ever the exchange will be compromise, it may be hackers incidence or owners will decide to run your cryptocurrency, then for sure they can still use it.
I think you misunderstood what OP is saying.

I just want to ask what are your thoughts on having a large capital in gambling?
Does the capital matter in gambling? Is there any advantage if you have a large capital?

Since for me, it is always the same even large or less capital. Having large capital will only help you to stay longer on the table unless your bet size is huge too.

It's not just you OP, a lot of traders have the same problem with you, even me, I admit that.
With poor risk management, you will gonna lose your all money 100%! That's why the best advice I can give to a newbie in trading is to practice risk management first. Because in risk management, you can minimize the risks and maximize the profits, always have a plan before opening a trade position.
If you are just starting to trade, try first small capital, and of course it will come with a small position size for every trade.

This week gonna be crucial for Bitcoin. High volatility and a lot of liquidations at this level. Your stop-loss level is kinda acting support, I don't think it is the best way to put your stop-loss, it may be hunted with some huge candle wicks.
Breaking below $30,000 - $32,000 is kinda alarming for Bitcoin, but if you can observe for the previous weeks, Bitcoin tried to break below but it keeps bouncing and creating lower highs.

These DeFi altcoins are already got a huge market cap and already making good returns for some early investors. For me, they are already expensive this time, unless you want to buy at the top, which is very risky, especially Link which recently just created a new all-time-high.

I don't think the word "defeated" and "replaced" is suitable words for what you want to mean OP.
Your picture attached from coinmarketcap is showing the highest market cap in cryptocurrencies, which the new player here is the Polkadot and Cardano. These new faces on the top market cap are outperformed Ripple and Litecoin, which is kinda impressive.

Why Enigma token not included on the list? I have tried to withdraw Enigma token on Binance Exchange which I just want to transfer to another exchange, I tried Enigma and no transaction fee for the withdrawal, you can check it here: https://www.binance.com/en/fee/depositFee
I also tried withdrawing USDT on the Binance under the Tron network which my goal is to transfer to another exchange, there is 0 withdrawal fee.

I believe what will happen on altcoins will be the same as what happened last 2017-2018 altcoin season which Ethereum will first make the move and some other large market cap, the more Bitcoin stays sideways or neutral, altcoins are making their move.
These past few months and years after the altcoin season last 2018, altcoin behavior become: If Bitcoin pump, alts are dumping, if Bitcoin dumping altcoins too. But let's see what will happen these coming weeks & months.

I believe that Manny Pacquiao is always serious in all of his fights and future fights, he got the name and we all know he is the "People's champion", no doubts or reason that he will not be serious in every fight of his life.
I am also a fan of Conor in his MMA career, but I saw his fight inside the boxing ring when they fought Mayweather Jr., he got a skill, I can say, Mayweather for his first boxing fight? I think it was not a good idea, that's why I can say I can say that the previous boxing fight of Connor and this with Pacquiao (it will happen), will be some pure drama or entertainment.
But I am looking forward to this fight and I can do a small bet with Connor McGreggor this time for better ods.

Few days ago may na involve na isang bago about sa nawawalang pera ng dalawang depositors ng isang kilala at sikat na banko sa Pilipinas.
Mahigit 270 million PHP ang nawala.

Nung una kong nabasa ito, naisip ko agad ang Bitcoin.

Ito ang pinakamalaking advantage ni Bitcoin kumpara sa centralized na mga banko, di mo hawak hawak ang pera mo at anytime pwede nila itong tangayin.

Pag may Bitcoin ka at hawak mo ito mismo sa iyong personal na wallet, ikaw lang ang pwedeng gumalaw nito at gumamit, ito ang financial freedom na benefits pag may Bitcoin ka.



Read more here: https://www.rappler.com/business/eastwest-bank-investigates-missing-deposits-millions-january-2021

It's difficult on that way, not all the time Ethereum will pump and Bitcoin will do sideways, sometime if Bitcoin is dumping altcoins are dumping too, especially Ethereum and some large market cap altcoins.
The best way is to have both technical analysis for a pair you want to trade, seperate with Bitcoin and Ethereum for example. Sometime Bitcoin and Ethereum correlate, but the best to do is to have analysis first.

Additionally, there are lot of ways to buy Bitcoins off the radar and a lot of also option to own a Bitcoin wallet with you are only the one who controls it, using non-custodial wallet will help you.
You can check this thread about Bitcoin wallet and select which will suit to you: https://bitcointalk.org/index.php?topic=1631151.0
About owning or buying Bitcoin is also possible in P2P, buying locally in your area which offer peer-to-peer transaction and store your Bitcoin in your personal wallet, and always don't forget to backup your private keys or wallet seeds offline or online(not advisable).

Its just how it works, it's just like the saying, "With great power, comes with great responsibility".
Higher risk will result higher losses and winnings  indeed!
But some trader are practicing or already doing the minimizing the risk and maximizing the profits by having a risk management, not only traders but for sure some investors are doing it too.

For me, people already learned their lessons for the past few years especially when Bitcoin did parabolic run last 2017, we saw a lot of FUD before and made Bitcoin dump a huge percentage and become more volatile comparee these past few weeks or started Bitcoin reached $15,000 and upto breaching the 2017's all-time-high.
FUDs are everywhere, it will now matter how people will manage it.

How about your stop loss?
I think this method is also just like trading. Although, this is kinda risky for now these days, since we are still near from recent all-time-high but if the percentage of loss from all-time-high is kinda last 2019-2020 year, this method is useful since we saw a lot of dip before.
But I am not telling Bitcoin will not reach new all-time-high again, I am still bearish for Bitcoin now.

The recent price action of Bitcoin which created a new all-time-high and almost doubled it was really unpredictable, even on the interview of zasad@ at this forum.
But I am sure those two got their analysis, technical or fundamental analysis to come up at those numbers.
But even those who are far at the price or even below at the close price, for sure their portfolio are in profits, they just not expected it. Congrats to all.

For OP, are you aware that there are lot of fake trezor hardware wallet on some random online store? Even in amazon.
Trezor have list of resellers which you can also be assure that the trezor wallet is legit if you don't want to buy directly from Trezor.
Because maybe you bought a fake trezor wallet which is very dangerous.
You can check list of trezor hardware resellers here: https://trezor.io/resellers/

Beware of installing random browser extensions.
Some may be infected or have some flaws that will put your privacy or computer in danger.
I saw some on the lists that may not be important to really install it in your browser especially you really not using them always, some of them have some website that you may just visit if you want to know some information, just like checking the Ethereum gas for transaction.
It may just let your browser be more slow if you will just install ton of extentions even not necessary. But thanks for the list, I will check and try some of them.

As we saw the recent dump of Bitcoin which resulted some huge liquidatations in histort. A lot of people saying that bear season for Bitcoin already started when Bitcoin dumped around 27% few days ago.

For sure a lot of you there telling that, "I will wait for the pullback and buy more Bitcoin".

But the question here, did you able to buy Bitcoin at dip or nah?   



https://twitter.com/zackvoell/status/1349498747395452928?s=19