Was at a meeting with our subcontracts on a project with regards to building a new bunker/warehouse for a company. The head guy from the Masonry company had ask

Was at a meeting with our subcontracts on a project with regards to building a new bunker/warehouse for a company. The head guy from the Masonry company had asked the question, "Are we going to use block-chain on this project?" I was somewhat set back until I realized he wanted to make a chain wall out of masonry blocks which they are typically pre-cast not built with block but nevertheless I was humored. Chain Wall - https://www.hunker.com/13402487/what-is-a-chain-wall https://www.hunker.com/13402487/what-is-a-chain-wall Block - https://en.wikipedia.org/wiki/Concrete_masonry_unit https://en.wikipedia.org/wiki/Concrete_masonry_unit