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.
The characters from the American medieval fantasy television series Game of Thrones are based on their respective counterparts from author George R. R. Martin's A Song of Ice and Fire series of novels. Set in a fictional universe that has been referred to so far as The Known World, the series follows a civil war for the Iron Throne of the continent of Westeros, fought between the rival royal and noble families and their respective supporters.