Testnet5 will launch at a higher difficulty than Testnet4 did, and (I believe) it has the same proof of work rules as mainnet (unlike Testnet4 and Testnet3 which had an infamous difficulty reset). I also believe BIP 54 will be active from block 1 on Testnet5.
Testnet5 will launch at a higher difficulty than Testnet4 did, and (I believe) it has the same proof of work rules as mainnet (unlike Testnet4 and Testnet3 which had an infamous difficulty reset). I also believe BIP 54 will be active from block 1 on Testnet5.