Based on the Bitcoin protocol, the blockchain database is shared by all nodes participating in a system. Upon joining the network, each connected computer receives a copy of the blockchain, which has records, and stands as proof of, every transaction ever executed.
Tyrion Lannister's shield during the battle on the Green Fork is a massive slab of heavy ironwood banded with steel. In Game of Thrones - A Telltale Games Series, House Forrester controls most of the wolfswood's ironwoods. Their seat, Ironrath, is located at the edge of the largest ironwood forest in Westeros.
No one will be on the throne in the end. Heck, the throne might not even exist the the series' end. Fan theories about the Iron Throne's rightful claimant have been circulating for decades, ever since George R.R. Martin's first novel â A Game of Thrones â was released in 1996.