Tasks:

• Analyze and understand the problem ADR083 is trying to address
• Gauge users' interest in solving this problem (how painful it is not to solve it?)
• Explore all possible solutions, among them ADR083 (ADR 083: Supporting out of band state sync tendermint/tendermint#9651)
• Adapt ADR083 according to the solution decided, finalize and merge it

DoD:

• We have made sure that users want the problem solved
• We have decided on a solution, and implemented it
• The ADR is merged

Original issue: tendermint/tendermint#9947