System pools accumulate tokens for further re-distribution accordingly to conditions specified in system smart contracts. Every pool is the special account accessible only by system smart contracts, technically implemented as a field in
Filled with tokens by the network's startup procedure (details described in Ace Token)
This pool is controlled by the Ace Token supply mechanism. Initially, all tokens in this pool are locked and cannot be used by any accounts until they are unlocked by burning Ace Tokens as Ace Coins are emitted
Accumulates unlocked tokens from
Replenishes by Inflation system smart contract
Accumulates transaction processing fees, is not a subject of re-distribution for now, but will be periodically re-distributed between second layer validators in the future.