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Wizard Of Ozzie's user avatar
Wizard Of Ozzie's user avatar
Wizard Of Ozzie
  • Member for 10 years, 4 months
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48 votes
4 answers
38k views

ECDSA: (v, r, s), what is v?

33 votes
3 answers
13k views

How is the whitepaper decoded from the blockchain (Tx with ~1000x m of n multisig outputs)

31 votes
2 answers
25k views

Redeeming a raw transaction step by step example required

11 votes
1 answer
2k views

What is the "1 RETURN" bug?

10 votes
1 answer
506 views

Why was the Oct 2015 Transaction Malleability event possible in spite of BIP62/66?

10 votes
2 answers
4k views

Why are Bitcoin addresses starting with 1s or 1S so rare?

6 votes
1 answer
1k views

What is meant by "relaxed standards" for P2SH redeem scripts in Bitcoin Core 0.10.0?

6 votes
1 answer
595 views

Working example of raw transaction utilising Boolean (OP_IF, OP_ENDIF) scripting REQUIRED

5 votes
2 answers
980 views

Non standard Tx with obscure OP codes: examples

5 votes
2 answers
927 views

The complement of s (when s < curve order / 2)

5 votes
1 answer
2k views

HMAC "Bitcoin Seed" for BIP32

4 votes
1 answer
809 views

Clarification of BIP32 hierarchical deterministic multisig scripts

4 votes
1 answer
4k views

Wallet.dat (<0.4.0) format: retrieving Bitcoin, possible security concerns

4 votes
1 answer
787 views

BIP65: "replacing ntimelock entirely"?

4 votes
1 answer
865 views

Testnet version history

4 votes
1 answer
4k views

Creating a raw transaction using Bitcoin Core v0.10.0 bitcoin-tx / createrawtransaction

4 votes
1 answer
6k views

Signing a raw transaction with Python ECDSA (or OpenSSL)

4 votes
1 answer
2k views

How do Blockchain.info recovery mnemonics encrypt wallet data and what prevents hacking of the algorithm?

3 votes
1 answer
199 views

Error running BITCOIND in Ubuntu 12.04 Desktop

3 votes
4 answers
2k views

Electrum 2.0: non-BIP39/32 standardisation complicates matters immensely. Why?

3 votes
2 answers
3k views

How does the bip32 version bytes convert to base58?

3 votes
1 answer
346 views

How is time encoded (BIP65) in scripts?

3 votes
1 answer
59 views

Why would a Tx's inputs not be assumed to be owned by a single service?

3 votes
1 answer
741 views

Are there any signatures where the recid (v) is equal to 29,30 (or 33,34 compressed)?

3 votes
2 answers
81 views

Why can't the block size upgrade be trialed on testnet with an organised "stress test"

2 votes
1 answer
454 views

Pushing a large signed transaction (testnet) using Python

2 votes
1 answer
841 views

Ramifications of creating Electrum 2.x seeds which are not BIP39

2 votes
1 answer
942 views

Duplicate r value for an address: only an issue for a multi-input Tx?

2 votes
1 answer
158 views

Electrum 2 validation: how is the HMAC always 01...?

2 votes
1 answer
459 views

BIP39 Japanese Mnemonic vector unit test process