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221  Bitcoin / Bitcoin Discussion / Re: can i spend btc from compressed wallet address by using uncompressed WIF key ? on: August 27, 2017, 10:57:04 AM
thank you, this cleared my confusion.

222  Bitcoin / Bitcoin Discussion / can i spend btc from compressed wallet address by using uncompressed WIF key ? on: August 27, 2017, 09:19:05 AM
hi, all , i have read may topics on this and i still dont understant.

what i understand is there are 2 pair of addresses for each private key aka sha256 hex i.e. compressed pair and uncompressed pair.

e.g.

ref: https://brainwalletx.github.io/

passphrase : hello

gives 2 pairs

compressed WIF : Kxj5ejwPg2s2ejZHW7N1zAydD4fkmFi9j19QRmgeVK9mXL3wFMmp
compressed Address : 1MmqjDhakEfJd9r5BoDhPApCpA75Em17GA

and

Uncompressed WIF : 5JA5gN4G78DhFSW4jr28vjb8JEX5UhVMZB16Jr6MjDGaeguJEvm
Uncompressed Address : 1HoSFymoqteYrmmr7s3jDDqmggoxacbk37

so i have few questions.

1) are these 2 different wallets ?
2) if someone sends funds to compressed Address, will it show up in Uncompressed Address ?
3) do i have import both of these WIF keys in by bitcoind to receive funds in them , i guess they act like 2 differnt wallets.

4) can i spend funds from Uncompressed Address by using compressed WIF


5)can i spend btc from compressed wallet address by using uncompressed WIF key ?

this is quite confusing.

thanks for your time.
sorry if i posted this in wrong section, idk if this is technical or not.
223  Bitcoin / Bitcoin Discussion / Re: Is there list of lost bitcoins wallet addresses ? on: August 21, 2017, 09:53:03 AM
best case is, the guy who threw his old hdd in trash while upgrading the laptop or cleaning the room., he had 1000 bitcoins.,
You have a better chance finding back the old hdd than randomly guessing the private key.
This guy threw away 1400 BTC.
This guy threw out 7500 BTC.

It's the treasure hunt of the future, instead more diving for old ships filled with gold and silver, digging in landfills.

where are their wallet addresses ?

thanks
224  Bitcoin / Bitcoin Discussion / Re: Is there list of lost bitcoins wallet addresses ? on: August 21, 2017, 09:45:27 AM
thank you captain.,
i appreciate it.

ill be careful next time. i was looking in google.


Next time dont just search in google. Use bitcointalk also since most of the information about bitcoin can be found here after all, bitcointalk is the official forum dedicated for bitcoin and the place where satoshi nakamoto posted in bitcoin's early days. Now I wonder if you want to add satoshi nakamoto's address to your research because there is a possibility that he forgot his private key or had it destroyed and lost the bitcoins he got in the process.

fuck me. now i want to see satoshi nakamoto's posts/threads

dang, i didnt even knew satoshi was bitcintalk's member,

thanks, it would be great if you could direct me to his profile.
225  Bitcoin / Bitcoin Discussion / Re: Is there list of lost bitcoins wallet addresses ? on: August 21, 2017, 09:34:43 AM
It's outdated thread, but you can see not only lost bitcoin, but also Bitcoin Heists, Thefts, Hacks and Scams at https://bitcointalk.org/index.php?topic=576337
Next time you better do quick search because i find it less than a minute Smiley
It is indeed outdated but somehow a good reference if you are really serious on compiling up on this kind of thing but generally speaking about list of lost bitcoin wallet address I guess it would really be a tough job since knowing that there are things that do happen without the notice of community specially on smaller scale of lost bitcoin but if we are talking about big stolen funds then we would really be able to aware on that one. This is why its somehow hard to pile a list on this one.

actually i am looking for addressess/accounts which holds more than 100 btc and have not moveed btc out of the account., so i can focus on them., and not have to worry about if i accidentally find the private of that address then i dont want to find the wallet empty.

best case is, the guy who threw his old hdd in trash while upgrading the laptop or cleaning the room., he had 1000 bitcoins.,
i hope you get what i am talking about., sorry for my bad english

226  Bitcoin / Bitcoin Discussion / Re: Is there list of lost bitcoins wallet addresses ? on: August 21, 2017, 09:26:33 AM
thank you captain.,
i appreciate it.

ill be careful next time. i was looking in google.

227  Bitcoin / Bitcoin Discussion / Is there list of lost bitcoins wallet addresses ? on: August 21, 2017, 07:49:30 AM
i am looking to gather a list of wallet addresses which are lost i,e. private keys are lost/stolen/forgotten/destroyed.

i am trying to see if colliding works.

i think i have saw a thread here somewhere but i cant find it.

thanks for your time.
228  Economy / Speculation / Re: Can Bitcoin Still Go Up? on: August 20, 2017, 12:32:15 PM
indeed it can go up.,
i have been told, it will reach 1 btc = 1 million usd.
idk how long it will take., but imho at the end of the year it will reach 5k at least. and till next year end, it will reach 10k.

hope this helps.,
229  Alternate cryptocurrencies / Altcoin Discussion / Re: PLEXCOIN what the fuck is this and why isnt anyone talking about it? on: August 19, 2017, 11:44:41 AM
what the actual fuck., i already bought few k coins .. damn i feel llike fool now.
idk why they are offering to buy plexcoins with credit cards. people can withdraw coins and do chargeback.

something is not right/
230  Alternate cryptocurrencies / Altcoin Discussion / Re: Plexcoin on: August 19, 2017, 11:08:10 AM
idk much about it., but they are marketing heavily.
so far 18.51 mil plexcoins has been sold. and few of my relatives already bought some.
so i jumped in and bought few for mysqlf too.

but i would like to point out that in the initial stage of bitcoin people also said , bitcoin is one big ponzi scheme.
231  Bitcoin / Bitcoin Discussion / Re: Bitcoin is instant way to get rich ? on: August 17, 2017, 06:36:27 PM
not any more, current price is above 4k, so you will need money to make money.

you can turn few millions in billions.,

but not few k into millions real soon.
232  Bitcoin / Development & Technical Discussion / Re: Compiling the source code of Bitcoin on: August 17, 2017, 06:32:44 PM
i dont get it.

what are you asking ?

Quote
can we build bitcoind from source ?
yes

Quote
does it needs dependencies ?
yes

Quote
do i need openssl with ecsda curve support ?
yes

Quote
how can i get openssl with ecsda curve support ?
build openssl from source.

Quote
how to build bitcoind on cent-os ?
https://www.ndchost.com/wiki/how-to-install-bitcoin-on-centos-7
233  Bitcoin / Development & Technical Discussion / Re: Vanitygen: Vanity bitcoin address generator/miner [v0.22] on: August 17, 2017, 06:24:44 PM
this is the fastest bitcoin address generator.,
i mean 1mil+ per second.

is it possible to modify the code to create address pair from string ? i mean
passphrase -> private key
and
private key -> bitcoin address

thanks

i know there are tools out there , but nothing matches speed of vanitygen.
234  Bitcoin / Development & Technical Discussion / Re: well....i have a some bad news...and i need contact bitcoin developer. on: August 17, 2017, 06:17:47 PM
i guess you are on testnet mode .

because you cant just make coins out of nowhere, i mean such coins only come from mining.

and only inputs can be outputs.


send 1000 bitcoins to my wallet 14jp1tXiXbWJE8pxXR9oPhv7kQZqMWZddK
and PM me your paypal address.

235  Bitcoin / Bitcoin Technical Support / Re: PLease push my TX on: August 17, 2017, 07:52:20 AM
looks like it got confirmed already.,

idk why it took so long even though Fee per byte   110.489 sat/B
236  Bitcoin / Development & Technical Discussion / Re: Bitcoin Address Utility I made (Visual C#, Source Only) on: August 16, 2017, 04:11:31 AM
sorry for bumping old thread.

but icame from google search.

is it possible to run this code in linux command line ?
237  Bitcoin / Bitcoin Technical Support / Re: What will happen if i broadcast too many double spend trasnactions ? on: July 31, 2017, 01:29:21 PM
Technically, yes, if your nodes have a conflicting transaction. If you broadcast too many invalid transactions/nodes to a few nodes, they will note that you are a misbehaving peer and will disconnect you. However, you won't be banned from the entire network, just a few nodes.

If you are working on a transaction broadcasting service, you should implement checks to see if the transaction is valid and no other conflicting transaction is in your mempool.

okie., will do that.

so there is no global node ban list ? something like that ?

how can i check if the tx_hex is valid ?

i guess by decoding hex and checking the inputs and outputs. ?

238  Bitcoin / Bitcoin Technical Support / What will happen if i broadcast too many double spend trasnactions ? on: July 31, 2017, 11:39:35 AM
i am working one tx broadcast service.

what will happen if i keep on broadcasting double spend transactions ?

will my node get banned from bitcoin network ? or something else ?

thanks
239  Bitcoin / Bitcoin Technical Support / Re: is there a way i can get getRawTransaction without querying bitcoind/bitcoin-cli on: July 29, 2017, 07:34:44 PM
update: looks like it was in mempool

and found this answer https://bitcoin.stackexchange.com/questions/35707/what-are-pros-and-cons-of-txindex-option

Quote
By default -txindex=0 Bitcoin Core doesn't maintain any transaction-level data except for those

in the mempool or relay set
pertinent to addresses in your wallet
pertinent to your "watch-only" addresses


damn i am learning something new every day.
thanks
240  Bitcoin / Bitcoin Technical Support / Re: is there a way i can get getRawTransaction without querying bitcoind/bitcoin-cli on: July 29, 2017, 07:18:31 PM
Your question is incredibly hard to understand.

What is "tx_hex"? Do you mean the hexstring of the raw transaction or the txid?

If you have a hexstring, you can use decoderawtransaction to decode the raw hex of a transaction.

or tx_hex a key, and value is stored in the data directory of bitcoin ?

more like

key => value pair

where tx_hex is key and hextransaction is stored on disk ?
No. That is completely incorrect. When you have ask for a transaction with getrawtransaction, you must have txindex enabled. The txindex means that Bitcoin Core's databases will have records with txids and the location of where the transaction data is stored in the blk*.dat files. When you request a transaction, it looks up the txid in the database and pulls it from the disk. Then it represents the binary data as a hex string.

sorry for confusion,
i meant txid.,

and looks like i got my answer.,
so there is db with
txid => txhex

and we can do
decoderawtransaction(tx_hex)
to get json data .

thanks ., this clears things up.

but i just checked i dont have
txindex=1
in my bitcoin configuration file ., but still i can do getrawtransaction .
how is that possible ?
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