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Carpemer
  • Member for 8 years, 1 month
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  • China
4 votes
2 answers
5k views

How to get the derived public key from xpub?

3 votes
2 answers
2k views

Is that safe to expose public key to the mainnet

2 votes
1 answer
313 views

Could bitcoind support SPV mode by setting different args

1 vote
1 answer
101 views

Why the normal mode exist in BIP32

1 vote
1 answer
176 views

Why scriptPubKey is a series of commands?

1 vote
1 answer
46 views

Is there any python lib could be used to analysis the local block data?

1 vote
2 answers
647 views

Is there any python library could be used to decodescript in output

1 vote
1 answer
582 views

How OP_CHECKSIG knows the source of sig in pay to pubkey hash transaction

1 vote
3 answers
529 views

What is the purpose of the script like RETURN PUSHDATA(36)(...)

0 votes
1 answer
79 views

Is there any format change in block #498557

0 votes
1 answer
89 views

Why the block's order in blockxxxxx.dat is different from blockchain.info

0 votes
3 answers
194 views

How to get the addr from this transaction

0 votes
1 answer
309 views

Why the PUSHDATA is 65 in the first transaction in blk00000.dat?

0 votes
2 answers
192 views

Why most of pubkeys in the first batch of blocks in blk00000.dat are different

0 votes
2 answers
3k views

bitcoind only accept the RPC for 127.0.0.1 but the actually ip address

0 votes
1 answer
98 views

Sync data (blk.dat) only with bitcoind

0 votes
0 answers
38 views

use java to scan all the block

0 votes
1 answer
72 views

Regarding the chainstate level db (UXTO)

0 votes
1 answer
630 views

How many rounds of HMAC-SHA256 needed to generate the master key in BIP32

0 votes
1 answer
902 views

The risk of sending money to a xpub generated address