Not a problem. Maybe IOTA changes... Maybe. I got some "good" news. It seems to good news... But I don't checked. I am busy,
I develop a new type of ledger... A backed crypto and an offline first open ledger to support barter...
More about in this thread:
https://bitcointalksearch.org/topic/anncharmico-dorothyum-charm-toto-and-emerald-on-the-obyte-dev-by-oz-4392525
Please ask and criticizm Maybe try first. Something already implemented. Charm offered already on Byteball Ledger (also DAG, as IOTA, but it works well and have a new type of smart contracts and chat bots...).