Yes. Sunny King announced the planned release of Peercoin 9 days before the release. There were no blocks mined prior to launch. One forum member wrote, “[Sunny King] released a link to the source in the other thread at the promised time (5 min before 18:00 UTC). There was no premine. By the time I had built from source and got things running, there were 5 blocks mined.”
As of version 0.2, centrally-broadcasted checkpointing is no longer a critical part of the protocol. Its purpose is to defend the network during the initial growth period, and to help ensure a smooth upgrade path. Central checkpointing is now being gradually weakened, and will be eventually removed, to achieve a similar decentralization level to Bitcoin. The checkpoints exist solely as a security measure: if something terrible were to happen, we have the checkpoints as a backup.
No. Peercoin is one of the truly unique alternative coins. Although its code is based on Bitcoin, Peercoin is the first coin to introduce Proof of Stake to secure the network. Proof of Work is also used in Peercoin, to promote fair coin distribution, but is not necessary for the security of the network.
No. Peercoin brings innovative features, active developers and significant community involvement. As of August 1, 2014, Peercoin is nearly two years old, and has a market cap of over $20 million USD.
Yes. When the entire money supply grows due to the minting process, all Peercoin holders who participate in minting maintain their relative share of the network. Although large stakeholders generate a higher total number of Peercoins, they cannot, in percentage terms, pull ahead of other minters.
The change of PPC money supply is determined by:
Thanks to increased mining participation, Peercoin inflation rate has consistently remained below 5% for the first half of 2014. At the current adoption rate, this rate will decline further over time, making Peercoin less inflationary and more sustainable than most other cryptocoins.