"Replay protection" is a security measure to prevent someone from using or repeating the same action multiple times. It ensures that certain actions or transactions can happen only once and cannot be duplicated or replayed again.
Full definition
This is causing some anxiety as many believe this lack
of replay protection will cause all sorts of horrible things on the network.
The bitcoin gold development team has announced that it is adding support for two -
way replay protection ahead of the network's expected launch.
However, without implementing
full replay protection their efforts were bound to put an immense pressure on the legacy ledger.
The bitcoin gold development team has announced that it is adding support for two - way
replay protection ahead of the networks expected launch.
Following the community feedback, we are now exploring different
replay protection addition to the fork to avoid network instability.
We'll bring back transactions when it's safe either because there is one chain or funds are protected by our
own replay protection.
Average users, if they are even aware of what's going on, would probably find it much more difficult to utilize
optional replay protection.
Strong two -
way replay protection, enabled by default, such that transactions on each chain are invalid on the other chain.
QuadrigaCX did sign the hard fork statement insisting on consensus and strong
replay protection for hard forks, originally referring to the potential Bitcoin Unlimited hard fork.
So, if Bitcoin Core
added replay protection in the short time span for the Segwit2x hard fork (3 months), this would most likely create three different ledgers: Segwit2x, Bitcoin with Replay and Bitcoin Legacy.
The Bitcoin Gold team are trying to include
replay protection in its protocol and is seeking a developer to write this code.
1st Nov: the Bitcoin Gold blockchain is activated (
if replay protection is implemented), and users can claim their BGold.
Headed up by Jeff Garzik, the lead developer behind the failed SegWit2x hard fork, along with Matthew Roszak and SongXiu Hua, this UnitedBitcoin (UB) hard fork will
offer replay protection to prevent people from accidentally spending their coins on both the Bitcoin and the UnitedBitcoin blockchains.
Instead, since many Bitcoin Core developers feel that 3 months is too short to prepare for a hard fork,
replay protection on Bitcoin Core is a non-starter.
«Maybe people like to get «free» coins, but they are misleaded (sic), they can lose everything, and there are some more vicious side effects,
like replay protection collisions between forks.»
BU will not be listed or used as a deposit / withdrawal currency
until replay protection is implemented and BU is not at risk of a blockchain reorganization if the Core chain becomes longer.
Meanwhile, some fear the big block version of bitcoin will fail to contain adequate technical measures (known
as replay protection) to ensure transactions on both chains don't become muddled.
Segwit2x, on the other hand, has refused to implement
replay protection by default, which unnecessarily puts the whole ecosystem at risk and imposes undue burdens on all cryptocurrency businesses.
Preston: [00:34:50] So when we go to November and we're talking about this 2x hardfork they're not
putting replay protection in it correct.
Moreover, Trezor also highlights that the bitcoin gold developers have not added
replay protection yet, which is an issue for a lot of service providers.
Due to
weak replay protection by the BCG team, traders, and investors have opted out to distribute their funds across many altcoins and digital assets.
Strong 2 - way
replay protection means that transactions from chain X are never valid on chain Y after the hard fork and vice-versa.
In its statement, 2x's lack of
replay protection formed the basis of TREZOR's chosen plan of action, the feature having gained widespread condemnation across the Bitcoin community including pioneer Nick Szabo.
«As stated publicly, we are generally against any hard forks; we do not currently guarantee that we will handle SegWit2x, or that we will list it; as far as I
know replay protection is still a concern.»
Other changes include: New Transaction Signatures — A new SigHash type
provides replay protection, improved hardware wallet security, and elimination of the quadratic hashing problem.
Replay protection schemes are themselves hardforks and implementing any sort of
replay protection now will result in three different blockchains.
Bitcoin Core (BTC's original chain) could have implemented
replay protection ages ago and made all future forks powerless, but they chose not to do this for some reason.
Phrases with «replay protection»