What Is Bitcoin Days Destroyed (BDD)?

Bitcoin Days Destroyed given an indication of the "economic weight" of transactions on the network for a given period of time.

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Bitcoin Days Destroyed (BDD) is a metric used to assess the "economic weight" of transactions, by giving a figure for the age and volume of bitcoins moved during a specific period.

BDD is one of many on-chain metrics used to gauge sentiment among Bitcoin users. At its heart, the concept of Bitcoin Days Destroyed is simple:

  1. Age of Bitcoins: Each Bitcoin transaction involves coins with different "ages", measured in days since they were last moved. For example, if a particular bitcoin was last moved 100 days ago, it has an age of 100 days.
  2. Volume of Bitcoins: The number of bitcoins involved in a transaction represents its volume (e.g. 5 BTC).
  3. Bitcoin Days Destroyed: To calculate BDD for a specific transaction, the volume of bitcoins transacted is multiplied by the number of days since those bitcoins were last moved. This formula gives an indication of the "economic significance" of the transaction in terms of the coins' age and quantity.
Bitcoin Days Destroyed = Volume of Bitcoins * Number of Days since Last Movement

For example, a transaction that involves 25 BTC that was last moved 50 days ago has a BDD of 25 * 50 = 1,250 days destroyed.

Uses Of Bitcoin Days Destroyed

BDD is typically viewed for the network as a whole, giving an overall picture of the sentiment behind transactions.

Bitcoin Days Destroyed/price chart: Look Into Bitcoin
BDD tends to spike around market tops.
  1. Detecting Market Trends. Bitcoin Days Destroyed can help analysts identify periods of high or low economic activity within the Bitcoin network. A sudden increase in Bitcoin Days Destroyed might indicate significant selling pressure, with old coins moving out of cold storage, whereas a decrease may indicate holding or accumulation behavior.
  2. Identifying Long-term Holders vs. Traders. The metric can help differentiate between long-term holders, who generally move their bitcoins infrequently, and active traders or speculators, who move their coins more frequently.
  3. Assessing Market Sentiment. By understanding the age of bitcoins involved in a transaction, investors can gauge the confidence or anxiety of market participants. For instance, if long-dormant coins suddenly move, it may signal a shift in market sentiment.

It's important to note that while Bitcoin Days Destroyed can provide valuable insights into the movement and behavior of bitcoins within the network, it is just one of many metrics used in blockchain analysis. Traders and analysts often combine it with other indicators and tools to gain a more comprehensive understanding of the cryptocurrency market dynamics.

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