All Questions

0
votes
1answer
9 views

What is a stub from the lightning grpc documentation?

For example, very often in the lightning documentation for their grpc api, you will see the following boilerplate python code: >>> import codecs, grpc, os >>> import rpc_pb2 as ln, ...
0
votes
0answers
39 views

Uneconomical UTXO requested

I'm using btc.com wallet and i want send 0.001 btc to another address but i'm facing with this error: Uneconomical UTXO requested [type: 1 (limit 6831), txOut.val: 5897, required: 98140] what does it ...
1
vote
0answers
30 views

How to remove password from encrypted wallet with password? [duplicate]

Without using dumpwallet nor dumpprivkey, is there a way to take an encrypted wallet and making it decrypted so it can be used without entering a password?
0
votes
1answer
40 views

Unconfirmed transaction. Please help [duplicate]

Please help. Probably I set fee too small and now I wait 10 hours so far and transaction is not confirmed yet. Is there anybody who can help speed it up ?
0
votes
0answers
17 views

Wallet error ErrorFile=… /testnet3/wallets/db.log

I want to use two deamon for sync mainnet and testnet. I Run $ bitcoind for mainnet without problem After I run $ bitcoind -testnet But I get this error BerkeleyEnvironment::Open: LogDir=/home/...
0
votes
1answer
14 views

electrum wallet listaddress without change addresses

i use the command electrum listaddresses -w .electrum/testnet/wallets.... On a bash console to get all addresses of the wallet. This however also return the "change" addresses which i cannot ...
1
vote
1answer
86 views

How can you calculate the inverse of S component of signature, while you cannot do it in ECC to calculate private key from public key?

When verifying the signature in bitcoin, we calculate S^(-1) * hash(m) * G + S^(-1) * R * pub_key and verify that this is equal to the temporary public key. Given the same logic, why can't we use it ...
3
votes
1answer
53 views

Are Bitcoin core devs contributing to ISO/TC 307 Blockchain and distributed ledger technologies

I was just being made aware of the standardization process about blockchain and distributed Leger technologies. https://www.iso.org/committee/6266604.html In this picture from the talk that I am ...
-2
votes
0answers
11 views

FuturoCoin Fork - how does altcoin fork work? [on hold]

Have you guys heard about possible fork in FTO? I've been hearing about this for a longer period of time right now and i think this can be something either good or bad. Is there a way to calculate ...
0
votes
1answer
25 views

Bitcoin create TX. What is 'hash_type'?

https://bitcoin.stackexchange.com/a/5241/92798 What is the meaning of item 13? Why is this value chosen? What does it mean?
0
votes
1answer
29 views

Transfering btc from blockchain to electrum wallet, still unconfirmed

i transferred btc from blockchain to electrum wallet. it has like 132 confirmations but on blockchain it's still Pending: 0/3 Confirmations Status. I paid fee and everything. Is this something normal ...
0
votes
1answer
22 views

HD wallets and multisig

Is there any standardized way to define HD wallet accounts used to participate in multi-signature transactions? How do existing multisig wallets derive their keys from the seed it? How is Bitcoin Core ...
0
votes
1answer
34 views

integrate Tether USDT for payment?

Please help me with this. Is there any public node to work with Omni layer or any API like for bitcoin has blockchain.com. Or I need to run node by my own(Which I do not want to run).
0
votes
1answer
27 views

Bitcoin core node is not starting after -prune is applied in bitcoin.config file

I have a bitcoin core full node version 0.17.1 running on my machine. I want to enable prune on the node to save space on the disk. When I apply -prune=15000 in bitcoin.config file and restart bitcoin ...
0
votes
1answer
32 views

How do custodial lightning wallets work?

I just installed and tried to use a lightning wallet (bluewallet) on an Android device. As per my understanding, when I fund my lightning wallet (This is an on-chain tx) with amount x, I open a ...
0
votes
1answer
22 views

Can a bitcoin wallet be restored from the files on a drive?

Hard drive crashed and requires professional recovery (likely needs newly built heads by professionals in a clean room). I don't recall what windows desktop bitcoin wallet software I installed and ...
0
votes
0answers
19 views

Bitcoin Core download

How long it normally takes to download full database of blocks in Bitcoin Core I have fast internet, but after 72 hours I'am only on 50 percent. Thank you
0
votes
1answer
25 views

How to split the funds and send X% to fee wallet and the remaining funds to another wallet?

Anybody have any idea about how to do it? User send the bitcoins X% goes to fee wallet remaining funds goes to service wallet I'm trying to use the "sendfrom" but it's not working because he only ...
1
vote
2answers
36 views

White paper text is not clear to me

Is there any intention by the respective author or by Bitcoin.org to edit, improve or re-write the white paper for absolute clarity? Among others I do not understand the value of repetitive ...
4
votes
1answer
80 views

Are all UTXOs locked by an address spent in a transaction?

Imagine I have 2 UTXOs locked by my address, each of which allows me to spend 5 bitcoins. If I subsequently want to send just 2 bitcoins to someone else, will both UTXOs be used as inputs in the ...
-1
votes
1answer
8 views

Bitcoin prices from exchanges

I’m stuck between finding an api that lets me get bitcoin prices from different exchanges, I found coincap.io but they don’t seem to give me all the necessary data I require. Please if anybody knows ...
0
votes
1answer
25 views

How to burn confidential assets or pegged bitcoin on Bitcoin Liquid sidechain

I used to burn bitcoin sending to a bogus address like 1111111111111111111114oLvT2 There is any equivalent confidential address for Elements/Liquid?
0
votes
0answers
17 views

How can I view my bitcoin? [duplicate]

so I recently created an account on freebitco.in, a website that gives you the chance to receive small amounts of BC every hour, and it gave me a BitCoin Address. I was wondering, where would I go to ...
4
votes
1answer
39 views

Does MuSig have the same security as 2-2 multisig?

Disclaimer: This question is of theoretical importance to me trying to educate myself better on cryptographic principles and signature schemes. I don't intend to imply that in practice schnorr ...
0
votes
3answers
57 views

Repeated sha256 on brain wallet [closed]

The writer of this article https://pastebin.com/raw/jCDFcESz explains that Sha256('sender') x 2 yields the address 18aMGf2AxQ3YXyNv9sKxiHYCXcBJeJv9d1 I am however getting the address ...
0
votes
0answers
18 views

Where can I crawl some smart contract data on Bitcoin?

I have to collect some real-world smart contracts from different platforms. I can find the real-time transactions and blocks of Ethereum from https://etherscan.io/. But where can I find the data of ...
0
votes
1answer
44 views

How to generate the digest from a raw bitcoin transaction for verifying signature of specific input?

I'm writing a stand alone process that needs to verify that a known UTXO is part of a new transaction with a valid signature. Inputs [ UTXO, raw transaction, input_number ] How do to I verify the ...
0
votes
1answer
43 views

Why can't I see my transactions on Blockchain.com?

I've a Bitcoin address on which I made a couple of transactions. From what I understand of the blockchain, the ledger is public and anyone can list the transactions linked to a particular address. If ...
0
votes
2answers
18 views

Sharing the lightning-rpc socket

I'm using user "lightning" to start the daemon, but would like to have user "bitcoin" to make the lightning-cli calls. How do I share the lightning-rpc file to do so? Thanks! Francois
-1
votes
0answers
15 views

NBitcoin BCash broadcasting transaction error 16: mandatory-script-verify-flag-failed (signature must be zero for failed check(multi)sig operation)

I am using NBitcoin library for Bitcoin Cash (BCash). I have a P2SH transaction that I am trying to spend but broadcasting my resulting signed raw tx to the network gives me an error 16: mandatory-...
7
votes
1answer
521 views

Can I send almost 1MB transaction?

Block size is still limited to 1MB. As I understood, transaction size is no longer limited. So can I be sure that my transaction with 29000 outputs and reliable fee will be included into block? Or ...
0
votes
1answer
33 views

How to avoid conflicts in a peer-to-peer topology (Bitcoin)?

For example in Bitcoin, if I want a miner to verify whether other miners store a transaction, before deleting it from his mempool. How can I handle the case more than one miner doing the verification ...
0
votes
2answers
37 views

Import of BTC BIP38 Paper Walet into Electrum 3.3.4 not working

Trying to finalize importing BTC from a BIP38 Paper Wallet into Electrum wallet About an hour ago I opened Electum 3.3.4, created a new wallet, set a password, saved a copy of the new wallet to a USB ...
0
votes
0answers
17 views

OP_CHECKSIG NULLFAIL with btcdeb

I'm using btcdeb to understand script. I pick a old random P2PKH transaction form mainnet, and paste unlocking script e locking script inside. I know that this script is ok, because I can check on ...
2
votes
1answer
44 views

Unable to find Lightning Node

I have successfully installed and synced my lightning node (Raspiblitz). I see my public ip on port 8333 has 8 conns. However, when I check my node on 1ml.com my node is not found. I did forward port ...
0
votes
2answers
32 views

“Cannot afford transaction”

version 0.7 clightning Listfunds shows me: 963692 satoshi available to fund channels 6280512 satoshi owned in channels 14832105 satoshi total channel capacity When I try to fund a channel with ...
1
vote
1answer
37 views

How do I make my coin seeds?

I want to add DNS seeds – like bitcoin – to my alt-coin. Is bitcoins generate-seeds.py and makeseeds.py the scripts to register DNS-seed ips?
0
votes
0answers
42 views

How may bitcoins hash algorithm be secured in the future from quantum computing brute forcing?

Other threads already answer very clearly that quantum comps could easily "break" /attack bitcoins chain. Now: Are there any ideas among the bitcoin devs circulating out there, how to save bitcoin ...
1
vote
1answer
34 views

Current simple ways to participate with a Lightning Node?

Lightning is kicking it!! I just read this article about worldwide nodes distribution https://cryptonomist.ch/en/2019/03/02/top-10-countries-bitcoin-nodes/ So, my questions are basically: 1)) what ...
0
votes
1answer
16 views

Does pruning node keep old wallet's transactions?

Does pruning node keep old wallet's transactions? For example I need to use the gettransaction API to retrieve a wallet's transaction in a deleted block, should I use the pruning mode? I cannot find ...
0
votes
2answers
28 views

Spending BTC from an Electrum watch-only paper wallet?

I've an old BIP-38 paper wallet, and I imported that address into an Electrum (version 3.3.6) watch-only wallet. I now want to transfer that BTC to an Exchange. I have the relevant password for the ...
0
votes
1answer
35 views

Bitcoin RPC. How to close wallet files opened by bitcoin?

Bitcoin RPC unloadwallet command does not close files opened by bitcoind process. I want to generate addresses for multiple wallets (over 1000) and get 'Too many opened files error'. Is there a way to ...
0
votes
2answers
32 views

What happens if “transaction size” is larger than “maximum block size”?

Assuming a transaction size is T Bytes, while maximum block size is B Bytes, such that T>B. What happens for this transaction? It will be divided into two smaller parts and will be stored in two ...
0
votes
2answers
19 views

Bitcoin core make error

I am new to bitcoin core development. I have created a clone using bitcoin core on a mac os mojave 10.14.3. I am have installed all dependencies and am able to run the autogen.sh and configure with ...
0
votes
1answer
38 views

What to do when funded channel node disappears

I would like to test this scenario on a testnet. I funded a channel with one testnet node. Assume that node suddenly vanishes and doesn't come back up for, say, another 4 weeks, or never. What is ...
3
votes
1answer
221 views

What did I do wrong that caused me to lose bitcoin?

I've been accumulating bitcoin into a paper wallet for a couple weeks. It's all been stolen. I'm trying to figure out what I did wrong: https://www.blockchain.com/btc/address/...
2
votes
1answer
31 views

What is the cost of resolving a Lightning channel breach?

If someone breaches a Lightning channel (aka tries to spend more than he is allowed to), the other party has to intervene and prove that the coins actually belong to them. This process happens on-...
0
votes
0answers
13 views

Does a Standardized Shamir Sharing protocol exist?

I've read Satoshi Labs SLIP 0039 github.com/satoshilabs/slips/blob/master/slip-0039.md But I can't find an implementation of this SLIP. Ian Colemans' tool(https://iancoleman.io/shamir/ is very easy ...
0
votes
1answer
24 views

How to get all potential routes in c-lightning?

I'm trying to write some services on top of c-lightning and I need to check if certain payments hit certain nodes. lightning-cli getroute nodeid amount riskfactor This gives me a randomly ...
0
votes
1answer
19 views

litecoin-cli: how to get block's txs?

Hi I am querying via rpc litecoin-cli. There are some differences from bitcoin-cli that I immediately found and can't figure out how to know : txs, outs, ins fees/txs: min, mid, max of the block? ...

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