I think the mini pump might have to do with the new version of bitcoin core being released. not really sure though, as this is bitcoin

Major improvements:

    Headers first synchronization - faster and more robust initial sync
    Dynamic transaction fee calculation - fees no longer hardcoded, scales with demand
    Watch-only addresses - Track any address using the wallet, not just your own
    Consensus library - abstracted interface for verification on a full node
    More script opcodes considered standard - more power for programmable money
    Improved security - libsecp256k1, non-DER signatures prohibited