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If it gets down to 1k again like a few years ago, I'll buy!
Sorry, but why? Because you think it will go up even thought the fundamentals of the product suck? Are you building castles in the air? Not to be rude, but bitcoin is slow and inefficient. It also has terrible privacy. It's getting replaced by other coins.
For the pleasure of embedding poems in the blockchain, that will stay forever, alone...
I wonder why people think of the Bitcoin blockchain (assuming that's what you mean by "the blockchain") as immortal. We've had computers for less than a century and been doing blockchains for about a decade of that.

The oldest known poem is 4000 years old and carved in clay. It seems to me if you want a poem to last forever, never to be seen, there are much better ways, like carving it in granite and burying it deep underground where it's unlikely to be found.

Even if you insisted that it's "digital", making a commit in the Linux kernel is much more likely to last for as long as computers last because Linux is actually useful, sustainable, and copied to just as many, if not more, computers as any blockchain.

> burying it deep underground where it's unlikely to be found.

Most people who want their works to last forever want people to read and use and enjoy them. Burying and having it forgotten doesn't meet that criteria.

Making millions of copies and burying some, with incentives for future people to make more copies and bury some again seems more likely to succeed.

And the blockchain isn't far from that.

Write a good poem if you want people to copy it and read it.

What you're essentially doing by putting stuff in the blockchain is tricking people into copying it millions of times. It doesn't mean any of them will read it or appreciate it. I agree with your analogy, but what's the point of it? Some weird desire for your footprint to be larger and imposed on people for all time? I can't think of much more narcissistic than that.

Humans are genetics + knowledge/culture.

Wars typically are as much about spreading culture as they are about genetics. Religious crusades are a way to spread culture without genetics.

Humans seem to have a desire to increase both their genetic and cultural footprint into other humans. Make sense really - expansionist traits tend to survive.

> bitcoin is slow and inefficient

Oh, come on. If it gains universal adoption, it is fast enough that every human being can make one transaction in their lifetime, maybe even two! What more do you want???

To be fair, that would actually be plenty for the lightning overlay network to function.
there's other cryptocurrency out there that actually has such extravagant features as "reasonable ability to transact" built in without needing second layers.
It's become the backbone of many new coins. It's basically a piece of infrastructure by this point. I don't think it's going away.
Ethereum is the backbone of many new tokens.

Not much relies on the bitcoin network itself.

I would, too. But I would be surprised if it ever gets as low as 5k again, unless the crypto gets obsolete.
Keep dreaming. Under $1000, literally anybody can buy 1 bitcoin. That would be the end of it.
I wonder if this has anything to do with recent Tether reserve report:

https://www.coindesk.com/tether-first-reserve-composition-re...

Since the report does not really specify what exactly the reserves are we can expect NYAG to not be happy with it, and taking further steps against Tether.

A mix of that plus Elon dunking on it plus China tightening regulations plus Ethereum news about PoS progress, probably.
Isn't PoS really good news for Ethereum, especially in light of Elons energy concerns? Ethereum has tanked 25% as well.
It should be, but Bitcoin's influence on other crypto currencies will still outweigh their own growth vectors for a little while.

If Bitcoin stabilises a bit from here I think we'll see Ethereum continue to grow a bit again.

'I hope you didn't buy BTC at >$60K.' [0]

Do not invest at the all time highs. [1]

[0] https://news.ycombinator.com/item?id=26843806

[1] https://news.ycombinator.com/item?id=26937153

At least for stocks i don't think this is valid.

The great index funds have more all-time-highs then not, for bitcoin this has also partly been true i guess.

Still i am wary of crypto investments, easy to get burned.

I have no idea why you are downvoted. The stock market and the housing market are at all time highs almost all the time for the last 150 years. This doesn't mean you should almost never buy stocks.
Well the context in my replies there is clearly only talking about Cryptocurrencies here. I did not mention anything else.

> Still i am wary of crypto investments, easy to get burned.

So, since I stayed away from the late Bitcoin mania up to >$60K (and DOGE) and warned others, I am downvoted?

This is why people get burned because they don't understand these 'investments' and join in when it is late, or when Elon Musk and Tesla start a pump and dump scheme and baghodl at all time highs, which is what I am talking about.

I am now congratulating the BTC short-sellers who took advantage of the sea of red in the cryptocurrency markets just 12 days ago. [0]

[0] https://news.ycombinator.com/item?id=27075627

You could have said that at the end of 2020, when BTC was ATH at 20K.

'I hope you didn't buy BTC at >$20K'.

If you are so sure about this, you should have shown your short or put positions on BTC. Then people might consider what you wrote.

People that are pro-BTC usually have some money invested in cryptocurrencies.

> You could have said that at the end of 2020, when BTC was ATH at 20K.

> 'I hope you didn't buy BTC at >$20K'.

And I still wouldn't. Because...

...I also hoped you bought it at its all time low since 2017 of <$5000 - $7000 range in March 2020 when it pulled back from >$10,000 at the end of 2019. I was pleased when it dropped at the end of 2019 and bought it at a bargin [0] and bought more when it dropped again in March 2020. I and many others are laughing now. [1]

[0] https://news.ycombinator.com/item?id=21606212

[1] https://news.ycombinator.com/item?id=27139755

So tell me who is the actual 'late comer'?

When bitcoin drags monero under 100$ again, I buy some more of that.

Just because I actually like it as a currency.

Yup, it actually has a real world use case as online cash.
I'll never regret buying a pizza with PayPal.
But in 15 years you could use that money to buy 0.5 pizzas!
You can use dollars for that.
I love it, other coins (and their speculation) can f off, I'll keep my Monero because I can actually pay for stuff with it, it's fast and has low fees.

I like my cryptocurrencies usable, I couldn't care less about what price they're currently at.

I'll buy at $1.00 to replace the Bitcoin I lost to MtGox years back
Yeah ... I still occasionally get a (analog) mail in Japanese informing me that the bankruptcy procedure is still ongoing.

Luckily it was "just" 1 BTC.

The Japanese court documents are absolutely beautifully designed
I had been looking for a light wallet (even though I didn't know the term or that they existed back then) since before the bankruptcy. If they'd been more widespread, we'd have lost a lot fewer coins!

I guess that, like me, a lot of us didn't want to store their BTC with MtGOX, it was just that back then the alternative was to use a significant portion of your hard disk to store the blockchain if you wanted to use your BTC.

>I guess that, like me, a lot of us didn't want to store their BTC with MtGOX

Who in their right mind would store Bitcoin anywhere else than a well backed up hard drive?

I was trading the ups and downs, they didn't have any fees for a long time, so you could buy low, sell high, and repeat. Today a limit order could have bought at 31,000 and then turned around and sold at 36,000 or more.

But... never try to catch a falling knife. ;-)

Sad thing is that I got my BTC to test my tiny wallet implementation I did for my final thesis back then :-)
checks price 40.3k...yeah it really plummeted. Everyone who upvoted this is a FUDster
It lost 33% of its price in the last week. If you think the price is gonna go back up good for you, buy now and I hope it goes well for you. But pretending that isn't a plummet for any sort of investment or stock is just denying reality.
33% down is a lot on stock market but it's nothing unusual for bitcoin. People bought it for wrong reasons and now they couldn't handle it and sold their positions.
The stock market dropping 30% in a week is a major world catastrophe and makes the history books. Bitcoin dropping 30% in a week is a fun week.
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Things that go up for no apparent reason can come down for no apparent reason.
In this particular case, the no apparent reason is certain person known to speculate with cryptocurrencies suddenly decided he'd go on to publicly bash the thing he pumped in the past "for no apparent reason". I mean, we couldall speculate the price was a bit high for his taste and wanted a discount, or maybe he really believes what he said.

That said, I agree that bitcoin price is kind of a bubble, and something that is pumped and dumped by people with a lot of money to the detriment of those who saw it as a miracle savings investment (usually people with little financial education) or those who truly believed in it (I think those became a small % of the users a long time ago).

My point is nobody has an answer to "Why did people bid up Bitcoin 5x from September 2020 to mid-Feb 2021?"

Maybe Elon is the trigger for the 30% drop over the last few days... but remember he didn't announce his initial holdings until mid-February 2021, which was after the 5x surge. If anything his timing was awful.

Everything in hindsight is pure speculation and rationalization. Nobody has a clue, markets are complex, volatile and full of irrational actors.

They are also full of whales/market makers who dance to their own tune and can manipulate the price. All this Elon Tesla talk is just a side show to entertain the public.

There is no doubt hedge funds are playing in this space with lots of money and skills to extract maximum value from the joe shmoes

In this particular case I don't think the market is all that complex. People were valuing bitcoin on the assumption that other people would keep buying it at higher prices before they sell.

People didn't cut nearly half a trillion dollars from the value of bitcoin on the word of a person known for blurting out impulsive and weird things. He didn't reveal any deep new insights into this thing. What Musk said just spooked the herd, that's all.

It would be interesting to figure out how much $USD has been paid for all the coins currently held, rather than looking at just market cap.

Shame it can't be calculated.

I think the exchanges would be the ones that could answer that question... But I don't think it's in their interests to do so.
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The guy has built and is managing multiple multi billion dollar companies at the same time. Tesla buying bitcoin and profiting from it led to Musk meeting one of the requirements for being awarded options worth billions.
It is all a scam. Buy when it's low for a few months, sell after a big run for a few months going down. Only suckers believe in it
How is this different from fiat currencies and stocks? Those go up and down all the time for no reason, or at least for irrational reasons. There's no reason why Bitcoin and other coins couldn't mature into a more stable up/down cycle to mirror those.
Fiat has central banks to keep them somewhat stable.

Stocks have companies who are producing actual value.

> Fiat has central banks to keep them somewhat stable.

That's part of my point. Fiat had decades to stabilise, digital currencies are basically newborns so it's not fair to expect them to pop out already matured and stable.

> Stocks have companies who are producing actual value.

Unless they don't (or their value is decoupled from meme/insider manipulation that artificially controls their prices), like GME or Tesla.

Crypto is designed to not have a central bank. But that has its consequences. Maturity has nothing to do with it.
IMO it's quite following the same trends as the stock market. Elon Musk makes statements on Twitter about how Bitcoin is an environmental disaster and rolls back on accepting Bitcoin in payments for Teslas. Bitcoin goes down.
Single stocks perhaps, not the broad stock market.
> "Things that go up for no apparent reason can come down for no apparent reason."

Many of the previous sharp increases do have explanations, e.g. the $150 to $1,500 rise was largely due to manipulation by the Willy and Markus bots[0], the $10,000 to $20,000 rise was largely due to manipulation by Tether and Bitfinex[1]. Will probably take a while for the dust to settle to see if any manipulation was responsible for the recent rises.

[0] https://www.investopedia.com/news/bots-drove-bitcoins-150to1...

[1] https://cointelegraph.com/news/research-tether-bitfinex-mani...

Does anybody use bitcoin for payment at all or is it only speculation at this point?
I do. It is in many ways more convenient than international wire transfer.
Care to share a few more details? Do you use lightning network?
I don't use the Lightning network because although I am pretty knowledgeable in how Bitcoin works, I've never had enough time to dive deeper into Lightning. Also, I expect it to be more cumbersome for my clients who are generally less technically knowledgeable.

I use direct on-chain transfers. Since it's usually not a major share of revenue, I don't care much about price volatility - prices go up and down all the time. I quote in USD, and clients send amounts at current conversion rates. Over time, it averages out.

The transfer fee is strictly less than international wire transfer. The transfer is fast, no-hassle, and also all clients are able to send the money all the time. If you live beyond the first-world countries, from my experience it is pretty common that some minor banks are not able to send money to some other minor banks in other countries, and you never know beforehand, and lose a lot of time on that.

I sold a website a while back and had a chance to be paid in either BTC or a wire transfer. I opted for a 50-50 split. The wire transfer involved going to the bank and filling out a form to fulfil some regulatory requirements. The transfer itself took 3 business days.

The BTC payment was credited to my account in 10 minutes.

You've just deferred going to the bank and filling in that form to a later date.

...but now you're exposed to massive volatility, regulatory uncertainty, probably capital gains tax on the upside, the risk of having to work through yet another third-party (an exchange), and your tax affairs are likely more complicated

All true. But it also shows how complicated and slow the traditional method can be, especially for international wire transfers.

BTC might not be the final solution, but that doesn’t mean the problem doesn’t exist.

It is irresponsible to use bitcoin as a form of payment.
Why? Honest question
As you have seen today. The market has tanked by 20% in a day.

If you were a restaurant owner and made $100 today.

You would now be having $80 instead of $100 — which might be your entire profit margin.

It's too volatile to do large business. Unless it settles at some price point, I think it will be hard to be adopted.
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Unless they patch bitcoin to remove energy intensive proof of work concept, bitcoin is goner in couple of year.
This is not the only flaw but this is a big one, and it was designed this way.
POW is not a flaw its a feature.

Just like how GPUs are intensive in terms of consuming electricity.

Absolutely not. There are plenty of markets that don't care about energy intensive use. Literally no one gave a shit about it a year ago, they won't start now.
Bitcoin’s future value is in the hope that any kind of government or large institutions support, which is not/never coming now. I think Tesla also dumping their coins very soon.
Orrrr, the pressure bitcoin places, tying more markets to power, will create demand for more efficient power technologies.
And I just purchased my first Bitcoins last week. *sigh*
buddy hold, looking at btc history these cycles repeat over and over - it will go up again.

also, i highly recommend this guys channel: https://www.youtube.com/channel/UClgJyzwGs-GyaNxUHcLZrkg

You’re downvoted, but it’s true. Bitcoin might be a scam, not worth investing and used as a currency, but we will see it above 100k again. Might not be soon, but someone will dig it up and pump it, so that they can dump it again.
Technically, we'll not see it above 100K again because it wasn't there before. But it's possible it will go to 100K some day.
I bought Discord Nitro a week ago and learnt it now has a free month for everybody, I can only imagine how awful it feels to be a bitcoin buyer last week.
Crypto/hashing based digital currencies will likely be used in the future, at least I think this is a safe bet to assume.

But I think Bitcoin has too many flaws to be used as a digital currency, the very long term value is nil, and I think this is a safe bet.

It will be replaced by something else.

Blaming this on Elon is barking at the wrong tree and not confronting the underlying weaknesses.