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Stacks brings apps and smart contracts to Bitcoin. Stacks 2.0 blockchain enables Stacks (STX) holders to participate in consensus and earn Bitcoin (BTC). This process of locking STX to earn BTC rewards from the protocol is called Stacking. To participate, STX holders lock their STX and publish useful information periodically on the network. The annual earning rate of Bitcoin rewards depends on several factors. For example, if 50% of the liquid supply participates, along with other assumed parameters, then the earning rate can be approx 9%. See details. Users will be able to participate in Stacking via the native Stacks wallet or through official Stacking partners. More info.

Thresholds to participate natively in Stacking are dynamic based on amount of liquid supply that is participating. More details are available in the SIP-007.

Stacking thresholds: By end-Jan 2021 approximately 1,006M (1B) liquid STX participation rates are as follows:

  • Assume 25% of liquid supply is participating, the min threshold is 70k STX (~62.5k STX rounded up to the nearest 10,000)
  • Assume 50% of liquid supply is participating, the min threshold is 130k STX (~125k STX rounded up to the nearest 10,000)

Pooling and services: Users can pool together to meet the minimum threshold using the delegate transactions. Further, we anticipate users to reap the benefits of Stacking rewards through partners like OkCoin, Staked, and others, even if they themselves don’t individually own the relevant minimum threshold amount.

Stacks future supply: The Stacks cryptocurrency has a predefined future supply that reaches approximately 1,818M STX by year 2050. See here for data on STX tokens unlocking by block. See here for data on STX inflation rate (2021-future).