Odaily Planet Daily News IntoTheBlock data shows that more than 30% of the Bitcoin supply has not moved in the past 5 years. Many first-generation blockchains (such as Bitcoin) use the UTXO model to record user funds. Based on UTXO data, it is possible to observe how long holders hold their funds before spending them. Although some of the unmoved Bitcoins may be lost, most of them may belong to long-term holders. This shows that despite market fluctuations, there are still a group of firm Bitcoin believers.