Questions tagged [seed]

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20
votes
4answers
15k views

What is a DNS seed node vs a Seed Node?

I've seen references to both strewn around. Specifically, is there a bitcoin client running at the DNS seeds or seed nodes?
7
votes
1answer
719 views

How does the client know the number of keys and coins when recovering from a seed?

When I have a seed and use it to recover my keys, how does a client find out which keys I had and their respective amounts? To clarify, I understand how a deterministic key works and that we can ...
4
votes
1answer
4k views

How to generate specific private keys from 12-word backup and wallet address?

A single seed can lead to billions of addresses. Some wallets are unable to scan and find all used addresses. Is it a way to infer the private key from 12-word backup and wallet ID / (public key). ...
2
votes
2answers
989 views

Is there another wallet that can restore from MultiBit's seed words?

We've had a lot of questions revolving around stuck transactions due to apparently non-existent fee estimation and unconfirmed balance bugs on MultiBit in the past weeks. Some get resolved by using ...
7
votes
2answers
5k views

What are seednodes?

A follow up from a comment on this answer. What are seednodes, and how do they differ from fallback nodes?
6
votes
1answer
2k views

How does Electrum make a keypair out of a seed?

Electrum uses a seed of 12 words to generate a keypair and then hierarchically generates addresses out of that keypair. I know how to generate hierarchic addresses from a keypair, but what I don't ...
3
votes
1answer
1k views

What precisely are vSeeds “seednodes”, how to they work, how to create one for a new network?

In this question we have a superficial explanation of vSeeds (seednodes), from the Bitcoin wiki, we have: DNS Addresses Upon startup, if peer node discovery is needed, the client then issues DNS ...
7
votes
3answers
5k views

Is 12-word seed phrase safe enough?

Is 12-word seed phrase (as used by Electrum for example) safe enough for generating an offline wallet? My understanding is this: 2048 words pool make 11 bits of entrophy per word. 12 words in seed ...
6
votes
4answers
8k views

How do I import a Multibit HD wallet with seeds into Electrum?

I installed Electrum to replace the broken and intolerable Multibit HD. I entered my 18 seed words, but it wouldn't allow me to click Next. I clicked Options > BIP 39 and it enabled Next. It created ...
4
votes
1answer
20k views

How to recover an electrum wallet from seed

A service I used some years ago is shutting down. I withdrew some coin but it went to an old address. I believe it was my old electrum wallet that I only have the seed for. How to recover my bitcoin?
3
votes
2answers
6k views

How do I import my 12 Breadwallet seed words into Electrum?

When I write them into Electrum during the restore from seed box, the Next button is disabled.
5
votes
2answers
4k views

Why can the same 12 words produce different seeds in an Electrum wallet file?

I was looking through an Electrum wallet file (from Electrum 1.9.6 for Windows if it matters) trying to understand what information was contained in it, and I couldn't initially figure out exactly ...
5
votes
4answers
2k views

Does BIP39 mnemonic construction avoid repeating words?

Will all 24 words of a seed-phrase be unique by specification? Or is it possible for a word to occupy two positions (ie the word "tool" is #8 AND #20 in a valid, securely generated seed)
2
votes
1answer
680 views

Address generator for Bitcoin wallet

As describe by Maxwell here in HD wallets assuming we have a key pair with private key SK.a and public key of PK.a and a seed s and a generator point G, we can generate a new key pair of (SK.b, PK.b) ...
2
votes
2answers
4k views

How to convert an Electrum 12 word seed to a private key?

How can I convert an Electrum 12 word seed to a private key? I heard Electrum has a special type of algorithm where the 12 word seed can't be used on other wallet software; is that true?
2
votes
1answer
735 views

BTG wallet or exchange with BIP39 seed import

Can anyone recommend a Bitcoin Gold exchange or SPV wallet for Linux that supports importing wallets from a BIP39 seed? The best I’ve found so far is a fork of Electrum that supports BTG for Windows ...
0
votes
1answer
636 views

Difficulty of brute-forcing a seed with missing words?

Given a 12 or 24 word seed with one one or more missing words what would be the difficulty of brute-forcing the missing words? E.g. for: one missing word two missing words three missing words By ...
0
votes
1answer
894 views

How to setup nameserver for dns seeder?

I am confused setting up nameserver to run with dnsseeder. I modified dnsseeder to work with my new altcoin. Here is what is did. I have vps.example.com setup with amazon ec2 and i compiled ...