Antwort auf: Wie wird Trezor mit der unvermeidlichen Ethereum-Hardfork umgehen?
In the past the policy was that minority forks may be supported if they have replay protection. For ethereum compatible chains it’s very simple to add a new fork with a new chain id.
There is a pull request for ETHPOW to add a new chain id. However, the way it is currently written, the replay protection becomes only active after block 16 million (the ethpow hard fork block), which would normally be expected in November. The ice age may hit the new chain heavily, because the ice age is also only disabled after this block. Assuming that hash rate drops on the ETHPOW chain to something like 3% (which is roughly the price the ETHW future token currently has), the ice age will happen much earlier and much heavier. This would push the block 16 million where ETHPOW gets replay protection (and where ice age ends) to 2024.
Note that this is how ETHPOW is currently implemented in their github repository. They may fix it, ideally by forking at the same time POS gets activated. But unless ETHPOW fixes this they will probably not be supported, as it is a nightmare to split your coins, especially with the account based transaction model that ethereum has.
**Update Sep 6th**: 9 days to go and EtherumPOW still has not updated their code to include replay protection. To make things more confusing, there is also a second hard fork EthereumFair (I’m not sure if this is serious or meant as persiflage). If you want to access the forked coins immediately after the fork, it is probably best to move them into a wallet where you have the keys. But note that this is inherently unsafe, especially without replay protection. The safest way at the moment is to ignore the hard forks completely for now.
Note that not every forked coin is necessarily supported by Trezor, see BitcoinDiamond. If the 3-5% value is that important for you, you can always use the seed words and import them into software wallets (after sending all other important funds to a new wallet). But honestly, this is usually not worth it.