Causes Cash
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Signed Seed Private Key
TLDR— Allows for the "secure" creating of a private key, derived by from the "signature" of a Bitcoin Cash wallet (eg. Badger, Ledger, etc).
In the case of Causes, we utilized Ethereum wallets for use with their DAI stablecoin. Instead of requiring contributors to install another plugin or download a new wallet, we can derive a private key from the signature of their Bitcoin Cash wallet.
We will then utilize this "secure" private key (seed) to create an Ethereum wallet, that can ONLY be created from the "deterministic" signature of their wallet.
NOTE: The most practical way for this to work would be through the Badger browser extension. However, Badger DOES NOT currentl support message signatures (outside of the use with CashID). This feature should also be possible with a Ledger hardware wallet.
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