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1 vote
2 answers
743 views

If the nonce is 32 bits why the proof of it is difficult?

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Gustavo Saraiva
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0 votes
1 answer
49 views

I downloaded blockchain completely, but now trying to open Core, starts download "all" blocks again. Why doesn't it see data file, with block history?

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Murch♦
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0 votes
1 answer
812 views

how to connect to bitcoin node in javascript without running a local node

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0 votes
1 answer
34 views

Where did my bitcoin go?

Murch's user avatar
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0 votes
1 answer
197 views

Newbie running full node (Bitcoin Core): Commands to import wallet with passphrase from external USB stick? And how to sweep paper wallet?

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0 answers
21 views

Can I extract Ciphertext from my encrypted wallet.dat file? If yes, how?

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jeffy99
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1 answer
184 views

Generate Paper Wallet using Electrum

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0 votes
1 answer
210 views

Can I recover missed phrase on p2sh wallet?

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3 votes
1 answer
270 views

Key Derivation - CKDprv & CKDpub

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4 votes
2 answers
1k views

What are the scriptPubKey, scriptSig, redeem script and witness for the various output types?

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RedGrittyBrick
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0 votes
1 answer
330 views

I have the phrase words but I donot know which words shall i insert to get my wallet back , what shall I do?

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CommunityBot
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63 votes
3 answers
20k views

How does the Lightning network work in simple terms?

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Murch♦
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1 vote
1 answer
1k views

What are the parts of a Bitcoin transaction in segwit format?

RedGrittyBrick's user avatar
RedGrittyBrick
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0 votes
1 answer
161 views

How to differentiate between BTC transactions and BRC20 transactions on a blockchain?

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RedGrittyBrick
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2 votes
1 answer
550 views

What are the components of the raw block shown in this image?

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RedGrittyBrick
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-1 votes
0 answers
22 views

How should I debug this error?about altcoin [closed]

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张荣海
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0 votes
2 answers
186 views

What is the program in Python that print information about the current block?

RedGrittyBrick's user avatar
RedGrittyBrick
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1 vote
1 answer
30 views

Is it possible to mine bitcoin in a trustless way with a Pool?

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RedGrittyBrick
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2 votes
1 answer
247 views

Address Verification Failed / View on Tresor Address don't Match

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0 votes
0 answers
22 views

Daylight Savings Time obsoleted my old 2FA device? (really wierd)

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YouBuckingFitch
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2 votes
2 answers
410 views

Undefined opcodes in bitcoin core defined as "Synonyms for OP_RETURN" in rust-bitcoin

Vojtěch Strnad's user avatar
Vojtěch Strnad
  • 5,840
1 vote
1 answer
80 views

Addresses to do with illegal transactions

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CommunityBot
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2 votes
1 answer
100 views

What is OP_RETURN_252?

Murch's user avatar
Murch♦
  • 71.7k
1 vote
1 answer
1k views

json_rpc_call solo mining with bitcoin running on Windows 7 for antminer

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1 vote
1 answer
65 views

How to determine the transaction type using transaction hash?

Murch's user avatar
Murch♦
  • 71.7k
1 vote
0 answers
26 views

Bitcoin Core resynching after updating from 0.19 to 25.0

Murch's user avatar
Murch♦
  • 71.7k
4 votes
1 answer
83 views

What is "Link-Level Multiplexing"?

Murch's user avatar
Murch♦
  • 71.7k
-1 votes
1 answer
48 views

Can I monetize "crypto" using asset backed securities?

Adrian Lilian's user avatar
Adrian Lilian
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3 votes
2 answers
677 views

RPC port 8332 not accessible after reboot

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Thomas Aase
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0 votes
1 answer
46 views

How to convert the results of point doubling (Rx1 and Ry1) to point addition (Rx2 and Ry2) without knowledge of (Qx, Qy) in secp256k1 elliptic curve

Pieter Wuille's user avatar
Pieter Wuille
  • 99.3k
4 votes
1 answer
131 views

Why are hashSequence and hashPrevouts computed separately?

Daniel's user avatar
Daniel
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1 vote
2 answers
1k views

produce a public key from private key with ecc, with clear description about k=k*g

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Online Character Counter
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0 votes
1 answer
77 views

Shared crypto hardware wallet

Gabriel Husman's user avatar
Gabriel Husman
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2 votes
2 answers
647 views

Are there public RPC node providers?

STdevK's user avatar
STdevK
  • 1
2 votes
2 answers
173 views

What are the risks of OP_VAULT?

Steven Roose's user avatar
Steven Roose
  • 11.6k
6 votes
3 answers
488 views

What is a Feeler Connection? When is it used?

gimballock's user avatar
gimballock
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34 votes
4 answers
7k views

Are there any truly anonymous cryptocurrencies?

Vojtěch Strnad's user avatar
Vojtěch Strnad
  • 5,840
2 votes
1 answer
48 views

Getting Error while trying to decode psbt base64 to json using bitcoinjs/bip174 library

Filip's user avatar
Filip
  • 1,047
0 votes
1 answer
418 views

Recovered wallet does not contain imported address. How can I recover my funds?

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CommunityBot
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0 votes
0 answers
28 views

I want to know how can my bitcoins get stolen ? I gamble a bit now and then, and often i have to deposit/withdraw with crypto.. what are the risks? [closed]

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Sophie Trepanier
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10 votes
3 answers
4k views

Transaction with Multiple Inputs having Same Address

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CommunityBot
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1 vote
1 answer
53 views

How to estimate number of transactions on the Lightning Network

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vincenzopalazzo
  • 1,323
1 vote
1 answer
817 views

Specification of Transaction Inputs - Bitcoin vs Ripple

Ni9elF's user avatar
Ni9elF
  • 140
0 votes
2 answers
2k views

What is the correct format for wallet.aes.json?

petlad's user avatar
petlad
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2 votes
1 answer
71 views

How can I establish a connection with an IPv4 peer when my node has only IPv6?

Community's user avatar
CommunityBot
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0 votes
1 answer
163 views

Do centralized exchanges misrepresent their Bitcoin holdings?

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CommunityBot
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0 votes
0 answers
36 views

The only way to connect to peers is through a DGRAM unix socket?

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Ben Muircroft
  • 466
0 votes
0 answers
31 views

bitcoin full node huge upload bandwidth

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mapal
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