(3/7) Liveness requirements.
Each sidechain needs to periodically produce an update of their state.
If a chain fails to send in these updates within the time required it may be terminated.
If you have any assets on a terminated chain, you can still recover your assets after.
(3/7) 活性要求。
每个侧链都需要定期更新其状态。
如果链未能在要求的时间内发送这些更新，它可能会被终止。
如果您在终止链上有任何资产，您仍然可以在之后恢复您的资产。