No, there is not one private key. There is one Master private key. The master private key is then used to generate more private keys in a deterministic fashion, i.e. using the same master private key, you will generate the same private keys. Those private keys are what are actually used in your wallet. Their public keys are generated and the addressees ...
Following the steps from "How to claim your Bitcoin Cash (Bcash)" by Trezor Blog should do the trick.
1) Make sure Trezor uses latest firmware
2) Connect your Trezor
3) Go to Coin splitting tool
I ... downloaded BRD wallet ... then proceeded to recover wallet ... but [it] brought up my account with zero funds in it.
Choose Sync Blockchain (Menu > Settings > Sync Blockchain).
Wait five hours
If not try
Uninstall Bread Bitcoin Wallet.
Reinstall Bread Bitcoin Wallet.
Bread will ask you to type in your 12-word key in order to re-...
In Bread i have to write down my seed and in Bitcon Core i have to backup both passphrase and wallet file. is this true?
Each software has its own seed to private key mechanism. Is this true?
No. What you call the "seed" is actually called the mnemonic. Most wallets that give you a mnemonic use BIP 39. BIP 39 specifies how the mnemonic should be ...
Since the Bitcoin address was already in the segwit format, you're in trouble. BCH does not support segwit, so it is difficult to build a BCH transaction to spend them and such a transaction would not be safe to broadcast to the BCH network— as on the BCH network it would be non-standard and could be doublespend with an "anyone can spend".
As far as I can ...
Check out this answer to know what happens if you send BTC to BCC.
As of your case, if you were holding the private keys of both the wallets, then you could simply retrieve it except the transaction fees.
But in your case, you have send the BTC to an unknown BCC address. You cannot tell who owns that address. The person who owns the private key of that ...
breadwallet is a standalone bitcoin client for mobile devices. There is no server which can get hacked or go offline, so you can always access the funds stored on your phone.
Using SPV mode, breadwallet connects directly to the bitcoin network with the fast performance you need on a mobile device.
Since the wallet itself has no indicator for connections ...
If you start or recover a wallet it is completely isolated from your old one, the balance will not be combined. You don't need to empty it first, but it will be awkward to keep swapping backwards and forwards between two wallets if you choose to do so (you'll need to re-sync each time).