diff --git a/README.md b/README.md
index b064622..6d5f012 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ Next dev tasks:
 - [ ] we don't need a Watcher, the first node can act as a leader until people decide they don't want to trust it any more
 - [ ] the leader node can have a timer in it for block creation
 - [ ] code up the ability to switch leaders (can be a human decision at first, later an (optional) automated choice)
-- [ ] pick a commit and reveal scheme to remove MEV
+- [ ] pick a commit and reveal scheme to remove MEV. One thing to investigate is [single-use seals](https://docs.rgb.info/distributed-computing-concepts/single-use-seals)
 - [ ] enable Side Nodes to download current P2P chain state so that they start - out with a consistent copy of transaction data, and also do catch-up after going off-line
 - [ ] remove the proc macro code from bft-json-crdt
 - [ ] add smart contract execution engine (CosmWasm would be a good first choice)