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May 05, 2024, 12:03:44 AM *
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1201  Economy / Speculation / Re: where do you see your self before end of 2021. a crypto millionaire or a bloke on: May 24, 2021, 03:35:06 AM
I see myself as a crypto millionaire. I started the year as a crypto billionaire. Wink
1202  Other / Beginners & Help / Re: Large Transfers - best practices? on: May 24, 2021, 03:31:31 AM
Let's say I want to make a large transfer to an exchange. I am sure to verify the receiver address. However, if the exchange made a mistake somehow, all the bitcoin would be lost forever. So does it make sense to send a small amount first, confirm that they receive it, and then send the rest?

Because I have also heard that each address should not be used more than once.

Sending a small amount first is not a bad idea. It is unlikely that there will be a problem with the address but it will test your ability to send correctly.

When you receive bitcoins you should use an address once. However, the exchange is receiving the bitcoins from you in this case, so it doesn't matter.

On the other hand, I change deposit addresses occasionally. If my deposit address can be associated with me, someone could potentially track the amount that I deposit into the exchange. Changing the deposit address makes that more difficult.
1203  Other / Off-topic / Re: Do older bitcoin holders have plans in place for their crypto if they pass away? on: May 23, 2021, 11:42:47 PM
Read this:

Inheritance Planning for Cryptocurrencies: 3 Steps in 3 Minutes

Also,

https://www.amazon.com/Cryptoasset-Inheritance-Planning-Simple-Owners/dp/1947910116
https://bitcoinundco.com/en/pamela-morgan-inheritance-planning-crypto-assets/
1204  Bitcoin / Bitcoin Discussion / Re: 99% here don't get CHINA, how about an honest discussion about CHina? on: May 23, 2021, 11:28:56 PM
https://www.youtube.com/watch?v=RDrfE9I8_hs
1205  Bitcoin / Hardware wallets / Re: Can di guarantee complete anonymity of a hardware crypto wallet? on: May 23, 2021, 11:17:19 PM
It smells like a scam to me.

They claim to have been working on this since 2008 (wtf?), yet the websites are new, anonymous, and lack any real content.
1206  Bitcoin / Bitcoin Discussion / Re: SAVE CRYPTO FROM PEOPLE LIKE ELON MUSK on: May 23, 2021, 11:10:55 PM
Hello everyone so we can see the current market is really bad for all investors...

Sorry for your loss, but cryptocurrencies don't need saving. Plus, if they can't succeed on their own, the aren't worth saving.
1207  Bitcoin / Bitcoin Discussion / Re: The next 5 years on: May 23, 2021, 11:08:31 PM
Taproot is the next big thing. It will unlock many new capabilities and enable more secure and more efficient transactions.
1208  Other / Meta / Re: Stake your Bitcoin address here on: May 23, 2021, 10:21:41 PM
EDIT2: @odolvlobo is that a typo? two  <new bitcoin address> in the signed message? One of them should be the  <old bitcoin address>, you might want to check it, I will eventually delete this edit.

The new address needs to be signed with the old address. Nesting may be sufficient, but I was explicitly stating that the new address is also valid.

I guess this would be sufficient:

Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
Today is <date>.

- -----BEGIN BITCOIN SIGNED MESSAGE-----
Today is <date>.
I control the account with the user name, <user name>.
Signing a message with the private key for the bitcoin address, <new bitcoin address>, is sufficient proof of my identity with respect to this account.
- -----BEGIN SIGNATURE-----
<new bitcoin address>
<signature>
- -----END BITCOIN SIGNED MESSAGE-----

-----BEGIN SIGNATURE-----
<old bitcoin address>
<signature>
-----END BITCOIN SIGNED MESSAGE-----

Edit: nested signatures work if the signing software modifies markers of the interior message as above.
1209  Other / Meta / Re: Stake your Bitcoin address here on: May 23, 2021, 10:03:31 PM
Sorry to nitpick, but I think the whole point of this thread is securing the ownership of a bitcoin address.

Here is my understanding:

The point of posting an address is to give you the ability to use that address later to prove that you were the owner of the account at the time that the address was posted.

Posting a address does not prove that the account holder controls the address, but that may be a reasonable assumption if a signed message stating that fact is posted.

Quoting the post helps to ensure that any subsequent change to the post can be detected.

Signing a message has a minor benefit. It allows the address owner to make a statement (but note that the statement can be false). Typically, the address owner asserts that they control the account and that a signed message is sufficient proof of ownership of the account. It is assumed that the account holder would not post the signed message if they did not accept it.

In short, the user should post this signed message and it needs to be quoted:
Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
Today is <date>.
I control the account with the user name, <user name>.
Signing a message with private key for the bitcoin address, <bitcoin address>, is sufficient proof of my identity with respect to this account.
-----BEGIN SIGNATURE-----
<bitcoin address>
<signature>
-----END BITCOIN SIGNED MESSAGE-----

What is the point of signing a NEW address without proof of ownership of the OLD address?

I think we should do like this: ...

In posting a signed message containing the new address, the current account holder proves that they are the original account holder and presumably states that a message signed with the new address is also sufficient proof. This effectively makes messages signed with the new address as good as messages signed with the old address.

Posting a new address not signed with the old address gives the current account holder a way to later prove that they owned the account, but it does not prove that they are the original account holder.

I think your suggestion is good, but I would do it more like this because it is more secure. Note that the message signed with the new address is contained in the first signed message. This prevents anyone, including mods and hackers, from substituting a different new address. On the other hand, if the new address is signed with both addresses separately like you did, I suppose that works just as well.

Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
Today is <date>.
I control the account with the user name, <user name>.
Signing a message with the private key for the bitcoin address, <new bitcoin address>, is now also sufficient proof of my identity with respect to this account.

- -----BEGIN BITCOIN SIGNED MESSAGE-----
Today is <date>.
I control the account with the user name, <user name>.
Signing a message with the private key for the bitcoin address, <new bitcoin address>, is sufficient proof of my identity with respect to this account.
- -----BEGIN SIGNATURE-----
<new bitcoin address>
<signature>
- -----END BITCOIN SIGNED MESSAGE-----

-----BEGIN SIGNATURE-----
<old bitcoin address>
<signature>
-----END BITCOIN SIGNED MESSAGE-----

Edit: nested signatures work if the signing software modifies markers of the interior message as above.
1210  Other / Serious discussion / Re: Blood Pressure, I donīt understand it. But I want to. on: May 23, 2021, 06:01:39 PM
I don't know why you are asking these questions in a Bitcoin forum. I am certainly not qualified to answer them, but a simple google search led me to this: High blood pressure dangers: Hypertension's effects on your body
I like reading and engaging with a lot of different sources and people may have an interesting perspective. Doctors and health organizations are bound by doctrine and certain other legal liability....

My point is that nobody here is likely to have the knowledge and expertise to answer your questions. If you want answers to your questions, google is a better alternative.  On the other hand, if you want the expert medical opinions of Jet Cash, et. al., then I suppose you have come to the right place.

120/80 would be normal right? -- What Is the Normal Blood Pressure Range?
Is it overblown? ... -- Is high blood pressure always bad?
How does blood pressure over time damage the body,...? -- Effects of High Blood Pressure on Your Body
When you're running, what is a normal blood pressure? ... -- When is it normal for blood pressure to increase?
Is blood pressure as easy to quantify as a person's weight. -- What is blood pressure and how is it measured?

I feel stupid typing your questions into google and then giving you what I thought were the best hits, but there you go.
1211  Other / Off-topic / Re: Scientific proof that God exists? on: May 22, 2021, 04:44:20 PM
What does any of your mumbo-jumbo ranting have to do with scientific proof for God?

Well, you say Jesus is the son of Yahweh. I have proven Yahweh is 7th from the throne of almighty GOD, and thus, not GOD, though I admit, that does NOT make him NOT jesus's FATHER.

Finding a scientific proof of the existence of a god is impossible. I would be much more interested in seeing each of you prove (scientifically) that the other's religion is a hoax.
1212  Other / Serious discussion / Re: Blood Pressure, I donīt understand it. But I want to. on: May 22, 2021, 04:31:36 PM
I don't know why you are asking these questions in a Bitcoin forum. I am certainly not qualified to answer them, but a simple google search led me to this: High blood pressure dangers: Hypertension's effects on your body
1213  Economy / Trading Discussion / Re: Guide for Beginners - Limit Orders, Stop Orders, and Stop Limit Orders on: May 22, 2021, 04:23:06 PM
Good explanations. I would add there are risks with stop loss and stop limit orders.

A stop loss creates a market order and a market order is filled at any price. If the price is falling quickly, the order could be filled far below the trigger price. This is how people get burned in a flash crash.

A stop limit creates a limit order that may never be filled. The order will never be filled if the price does not remain at or above the limit price or return to the limit price. Setting the limit price below the trigger price reduces this risk but there is still no guarantee.
1214  Economy / Economics / Re: Inflation and Security on: May 22, 2021, 04:01:15 PM
Bitcoin is a perpetual monetary system. It is a Ponzi scheme.
...
Bitcoin is an interesting money experiment.

Is it a Ponzi scheme or an experiment? It can't be both.
1215  Other / Beginners & Help / Re: Help to write an article about bitcoin on: May 22, 2021, 03:56:12 PM
My knowledge of bitcoin is not quite so good. And I am trying to write and create a great article with information that's a little bit more on the technical side as compared with the content I wrote in my news article listed here.

Please don't write an article that attempts to explain something that you know nothing about. There are already too many articles about Bitcoin that promote ignorance, misinformed biases, misconceptions, and factual errors. Why must you contribute to that?
1216  Bitcoin / Bitcoin Discussion / Re: Sextortion - more than 4000 BTC cashed on: May 22, 2021, 01:09:58 AM
A sextortion victim received a mail to pay $1000 in bitcoin within 48h to address 1GYNGZLEUGkkQjHo19dHDnGE87WsAiGLLB otherwise, a captured intimate video of the victim is sent to all his email contacts.

I know that this is not your focus, but it must be noted that the claim of having a video is lie. It is a common scam that was popular last year.

There is no video. They typically show the victim one of their passwords as evidence of gaining access to the victim's computer. However, they obtain the password from a public database and not by hacking the computer.

The blackmail can be safely ignored.
1217  Bitcoin / Hardware wallets / Re: how to transfer Ledger BTC to a new ledger wallet (anonymously) on: May 22, 2021, 01:04:10 AM
Perhaps I was not clear. The goal is to get the coins from point A to Point B without a trace. Do I have to spell it out any more clearly?? Lol.

Then you must send the coins from one wallet to an address in the other wallet. That is the only way to move them and there must be a record of the transaction.

Now, there are different ways to achieve varying levels of security and secrecy, and you must be more specific in describing your goals.
1218  Other / Off-topic / Re: Scientists' appeal to the crypto community - the creation of new technologies on: May 21, 2021, 09:50:58 PM
At the same time, the boat begins to move. So we can bring the same principle to the electromagnetic environment, that is, any space that carries electromagnetic waves: near-Earth space or outer space.

In your acoustic demo, the waves are traveling through mass and causing the mass to move, which propels the boat. In essence, it is a propeller with no moving parts. However, your EM version creates standing waves in empty (devoid of mass) space. How is that the same? I suppose your goal is to use EM to generate momentum, right? Has that ever been demonstrated before?
1219  Other / Off-topic / Re: Scientific proof that God exists? on: May 20, 2021, 07:48:49 PM
Or do you have even one, for-certain example of spontaneity happening somewhere?

Radioactive decay
1220  Other / Off-topic / Re: Scientists' appeal to the crypto community - the creation of new technologies on: May 20, 2021, 06:19:43 AM
I thought that recent experiments finally removed any possibility of the EmDrive being a real thing.
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