Why is Solana's slot time is longer than planned 400 ms?

Slothana has raised over $15 million in its presale phase, and is set to airdrop tokens on the Solana blockchain on Monday,

The Clock sysvar contains data on cluster time, including the current slot, epoch, and estimated wall-clock Unix timestamp It is updated every slot Address:

buffalo blitz sisal slot minimumLedgerSlot — returns the lowest slot that the node has information about in its ledger requestAirdrop — requests an airdrop of lamports to a Pubkey

bounty showdown slot Solana 中的一个纪元是一个较长的时间段，由多个时间槽组成（每个纪元约432,000 个时隙）。 Epoch 代表网络内的更高级别的计时单元，能够有序执行定期发生