Latest posts of: Coding Enthusiast

I am not exactly a trader, and also not an expert in any kind of analysis, and I am trying to think of additional useful information that I can add to my code starting with this chart and the interface.
For example I usually see a line segment on the chart passing through the average candle prices.

Also feel free to give any additional suggestions. Thanks.

It can not be DDoS, because I can access the forum through a proxy with high speed. But with my own IP, it doesn't work.

Maybe server has gone mad and banned all the IP addresses! Grin

Quote from: BitMaxz on April 17, 2017, 11:32:08 PM

♯

Quote from: Igor Tatarov on March 16, 2017, 04:42:33 PM

I prefer to save the wallet in a virtual machine and protect the wallet file with a zip password Wink

Not good idea your vps will not stay for a long time unless if you have lots of money to pay for yearly and its still needs backup your wallet.. better to use common wallet in your pc.. and make a backup in your drive D.

Virtual Machine (VM) != Virtual Private Server (VPS)

And not none of these are better, you are still using a hot wallet no matter if you move it to drive D or VM or a VPS. Just use cold storage and be done with it instead of making it too complicated for yourself.

The "idea" is a form of Arbitrage Trading (I believe it is called something like Triangle Arbitrage or something similar).
In theory it should work. But in practice it won't.
And it is not just fees. It is the fact that market always balances itself out.

And for this method to work you DO NEED a bot, you can not do it manually (speaking from experience Wink

), because it is hard, you need to calculate the fee, profit, ... and you will make mistakes. Also you need to act quick, otherwise it is an opportunity lost.

Quote from: ionicle on April 14, 2017, 06:13:30 AM

You said the transaction can be replaced - it can only be replaced if it hasn't gotten any confirmations, right?

Yes, and transactions can be double spent even if they are not marked as RBF.
Read this: https://bitcoin.org/en/you-need-to-know#instant about confirmation and how many of it is required.

Quote from: ionicle on April 14, 2017, 06:13:30 AM

I am asking, because I sent a btc transfer to my exchanger after I received this transaction, and even though the incoming transaction has long been confirmed, my transfer to the exchanger is still pending with 0 confirmations for about 13 hours now.

If you see your transaction as confirmed on blockexplorers (or in your wallet if you run a full node, or SPV wallet with enough confirmation) then that is their service problem that has not yet updated. Possibly their wallet is not synced with the network.

Quote from: ImHash on April 13, 2017, 05:34:35 PM

Not confusing at all, when you have 10 bitcoins in your wallet/ address and if you send 1 bitcoin to other addresses you get 1 bitcoin going out from your address and you'll get 9 bitcoins going to the same address, bitcoins don't sit in addresses like you'd expect them.
So when you spend bitcoin either spend all of which is in the address or any remaining amount is sent back as a change and is a public information nothing confusing.

And it's an automatic process.

This is not technically correct because there is no such thing as "bitcoin" to send/receive/spend, that is a term which is used wrongfully and to make it easy and equivalent to money I suppose.
What exists are transactions or this: 3a68bda3575f762ddf89176d7a35f4aa5c95e7915cb0aa181428f94690807b89

What op sees is that person spending this output 074e2012b765b0495f69ee997426ec8908995afca245d2aad27f948b77f9549b
and creating this new one: 3a68bda3575f762ddf89176d7a35f4aa5c95e7915cb0aa181428f94690807b89

Quote from: rickadone on April 13, 2017, 05:51:31 PM

Always the last output address is one of the input address

This is not correct.
There is no need that the last one be the same address. It can even be a new address, or it can be the first, second,...

The following tx was recently mined in block#461739 and it contains "2" as its version field.
9ac722ca8177a5528e945c081d5d9b021f91d4687838e66c82e7b4589173a88e

I could not find anything on version 2 and as far as I can tell the current consensus dictates version 1 only and should reject anything else.

Quote from: https://bitcoin.stackexchange.com/a/2130

Block/transaction versions other than 1 are not accepted.

So what am I missing?

The address 15ioBi6L... had a transaction output worth 0.01809236BTC (similar to having a 100 dollar bill).
Then he decided to pay 16 people a value of 0.00028BTC (similar to paying 16 people each $1).
So he split that output (the 100 dollar bill) into 16 new outputs each worth 0.00028BTC total of 0.00448BTC (similar to paying 16 $1 bills).
From the remainder which is worth 0.01361236BTC (similar to $84 dollar bill-assuming we have such thing) he puts 0.01280945BTC back in his pocket which means he (at the same time) pays the mining fee of 0.00080291BTC.

It means the person who sent that transaction can change the fee of that transaction and send a new one (the transaction is replaceable).
And as always an unconfirmed transaction is still an unconfirmed transaction and unsafe and you should wait for appropriate number of confirmation.

Read details here:
https://bitcoincore.org/en/faq/optin_rbf/

I thought I saw this feature somewhere back in the old days!
Here you go: https://bitcointalk.org/index.php?topic=264337.0
I have no feedback on it though, since I have never used it.

Quote

BT++ includes:
Configuration for nearly all the features
Up/downvote people (requires a BT++ password)
See the total score of people
Like/dislike posts
A chat
A Bitcoin ticker, using your own source/currency
Hide threads
Add your own CSS file
Display the real target domain next to each link (helps against phishing)
Link to threads links directly to the last read post
Auto-format Bitcoin addresses and txids
New "upload image" button in the reply form
Auto-refresh current page

I couldn't even make this topic an hour ago! I've sent theymos a PM though.

It was probably some server problem, overload?!

Quote from: veleten on April 06, 2017, 12:37:49 AM

rebroadcatsing a transaction with a low mempool presence could speed the confirmations up

When you broadcast a transaction you send it to the network, which means for example you send it to Node_1 (which you are connected to or push tx to) and if that client accepts your tx, it becomes a part of its inventory (has the tx in its mempool).
then Node_1 sends your tx to everyone that asks for its inventory or connects to Node_1.
So if Node_2 and Node_3 are connected to Node_1, they now have your tx too. (total 3 nodes).
Then they give it to Node_4, 5, 6,... and in a short time all the network has your tx.

However as I mentioned in the start, that Node has to accept your tx. Sometimes they reject it because for example it has low fee, it is a double spend, ... so your "tx mempool presence" goes down.

You can actually try it next time to get how long it takes for your tx to propagate through bitcoin network (it is a couple of seconds most of the times). Use your wallet to broadcast the tx and then copy the rawTx and push it in any of these services, you will see that by the time you copy and past and click push they all have your tx and give you an error indicating it already exists.
https://blockchain.info/pushtx
https://live.blockcypher.com/btc/pushtx/

First of all don't worry. As long as you have access to your Seed/Wallet file/Private keys your funds are safe and will be accessible to you.
Worst case scenario you export the private key of addresses containing funds into another wallet and spend them.
Or easier would be making a raw unsigned transaction and then signing it with Electrum without needing any sync.

To fix the problem try changing the servers. Try "ecdsa.net" server. (Change server from Tools > Network).
Also make sure Windows Firewall is not blocking Electrum (https://www.technipages.com/blockunblock-programs-in-windows-firewall)
This may be far fetched by if nothing worked check to see if your port 50002 is open.

Aww. Dogecoin Amateur Roll Eyes

I wanted to start learning more about how the "Scripting System in Bitcoin" works and it would be great if I had some easier source than the source code which is in C++[1] Cry

or the wiki[2]. So if you have any good sources with easy explanations please introduce me to them.
P.S. Bitcoin Script for dummies[3] doesn't work anymore (DNS problem?)

[1] https://github.com/bitcoin/bitcoin/blob/master/src/script/interpreter.cpp
[2] https://en.bitcoin.it/wiki/Script
[3] https://www.cs.princeton.edu/~tongbinw/bitcoinIDE/build/editor.html

Everywhere you look these days you can see a topic talking about these subjects and majority of them are pointless and throwaway accounts either spamming or spreading FUD. And in short is just crowding up the place.

I propose

* It can be one in main board (board 1) or better yet in Development board (6) talking about "The fork", "How", "When", "What happens if", "What should I do",... to the death.
Another one in speculation board (board 57) and the subject be "Price in case of fork" or whatever.

Please vote.

No problem.
I am no expert though Roll Eyes

In addition to what HI-TEC99 said, you download a tarball (a tar.gz file which is an archive of sorts) if you want to follow my suggestion and install on linux for example and when if it is modified in any ways, the signature changes.

That is why I emphasized on "Make sure to verify the signature". (Double check all the following links with https://electrum.org/#download)
You get ThomasV's signature: https://pgp.mit.edu/pks/lookup?op=vindex&search=0x2BD5824B7F9470E6 (gpg --recv-keys 7F9470E6)
Then you get the tarball's signature: https://download.electrum.org/2.8.1/Electrum-2.8.1.tar.gz.asc (or any other respective signature in regard to the file that you download)
Then you get the file: https://download.electrum.org/2.8.1/Electrum-2.8.1.tar.gz

And finally do a signature check (double check the following because I am writing from memory):

Code:

gpg --recv-keys 7F9470E6
cd (change directory to where you saved both tar and sig files)
gpg --verify Electrum-2.8.1.tar.gz.asc Electrum-2.8.1.tar.gz