What is Stacks?
Stacks (STX) is a Layer 2 blockchain that brings smart contracts and DeFi to Bitcoin. It uses a unique Proof of Transfer (PoX) consensus mechanism where STX miners transfer BTC to earn block rewards, connecting Stacks directly to Bitcoin's security.
Stacks enables Bitcoin DeFi (BTCfi) — allowing BTC holders to earn yield, trade, and use DeFi applications without giving up Bitcoin's security. The Nakamoto upgrade (2024) introduced faster blocks and sBTC, a decentralized Bitcoin peg.
STX is used for transaction fees, smart contract execution, and participating in the Proof of Transfer consensus. STX holders can 'stack' their tokens to earn BTC rewards from miners.
STX Tokenomics
STX has a maximum supply of approximately 1.818 billion tokens with a decreasing emission schedule. Uniquely, STX 'stackers' (stakers) earn actual BTC rather than more STX, creating a direct value connection to Bitcoin.
STX Historical Price Performance
Stacks (formerly Blockstack) made history in 2019 as the first SEC-qualified token offering under Regulation A+, raising $23 million. STX reached an all-time high of $3.85 in November 2021, dropped sharply in the 2022 bear market, and regained momentum in 2024 with the launch of the Nakamoto upgrade introducing sBTC.
Stacks was the first SEC-qualified token offering in US history (2019). STX traded below $0.50 for years before the Bitcoin DeFi narrative drove it to $3.85 in April 2024. The Nakamoto upgrade in 2024 was a major catalyst, enabling faster blocks and the sBTC Bitcoin peg.
Frequently Asked Questions
Proof of Transfer (PoX) is Stacks' consensus mechanism where miners transfer BTC to STX stackers to earn the right to mine STX blocks. This creates a direct connection between STX and Bitcoin while rewarding STX holders with BTC.
sBTC is a decentralized, 1:1 Bitcoin-backed asset on the Stacks network. It allows BTC holders to use their Bitcoin in DeFi applications while maintaining Bitcoin's security guarantees.
By 'stacking' (locking) STX tokens, you earn actual BTC rewards. These BTC come from miners who transfer Bitcoin as part of the Proof of Transfer consensus. Typical cycles are 2 weeks.
Clarity is Stacks' smart contract language designed for security. Unlike Solidity, Clarity is decidable — meaning you can always know what a contract will do before executing it. This prevents many common smart contract vulnerabilities.
What is Proof of Transfer?
Proof of Transfer (PoX) is Stacks' consensus mechanism where miners transfer BTC to STX stackers to earn the right to mine STX blocks. This creates a direct connection between STX and Bitcoin while rewarding STX holders with BTC.
What is sBTC?
sBTC is a decentralized, 1:1 Bitcoin-backed asset on the Stacks network. It allows BTC holders to use their Bitcoin in DeFi applications while maintaining Bitcoin's security guarantees.
How do you earn BTC with STX?
By 'stacking' (locking) STX tokens, you earn actual BTC rewards. These BTC come from miners who transfer Bitcoin as part of the Proof of Transfer consensus. Typical cycles are 2 weeks.
What is Clarity?
Clarity is Stacks' smart contract language designed for security. Unlike Solidity, Clarity is decidable — meaning you can always know what a contract will do before executing it. This prevents many common smart contract vulnerabilities.
Risk Warning
Cryptocurrency prices are highly volatile and can change rapidly. The information on this site is provided for informational purposes only and does not constitute financial, investment, or trading advice.