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Questions tagged [secp256k1]

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20
votes
2answers
6k views

Can I use the same private key for Ethereum and Bitcoin?

Both Bitcoin and Ethereum private keys are usually a 256-bit number, isn't it possible to use the same private key for both Bitcoin wallets and Ethereum accounts? For instance, the Bitcoin wiki states:...
5
votes
2answers
2k views

Deriving Ethereum address from Bitcoin address

As far as I know Ethereum private keys are compatible with Bitcoin private keys, as described in Can I use the same private key for Ethereum and Bitcoin? . HOWEVER Can I derive an Ethereum public ...
2
votes
1answer
866 views

Secp256k1 bindings are not compiled. Pure JS implementation will be used

I am trying to create a meteor dapp that can sign a piece of data and then recover the address it was signed with. When I run the dapp I get this error in the console: Secp256k1 bindings are not ...
1
vote
1answer
219 views

Signing a raw transaction, wrong R and S values

I am trying to sign a raw transaction in javascript without relying on dependencies like web3, ethereumjs, etc. I am following the python tutorial found here, and porting to JS as I go: https://...