Can we start down the road of block-lattice tech, which has been running fast, safe and free for like seven years now? It's tiresome hearing about crypto's fee

Can we start down the road of block-lattice tech, which has been running fast, safe and free for like seven years now? It's tiresome hearing about crypto's fees, eco, and mining problems while there's a proven technology that's actually spam resistant and nearly consumer-grade actively working, right now.