BlockchainIntermediate#Mining#Hardware
ASIC (Application-Specific Integrated Circuit)
A
Definition
Special-purpose hardware designed to perform a narrow computation efficiently. In proof-of-work mining, an ASIC is normally built for a particular hashing algorithm; it cannot be assumed to work for every network or remain profitable.
Source reviewed
- Bitcoin Developer Guide: mining opens in a new tab
Supports: Documents how mining software sends a block header and difficulty target to ASIC hardware and how pooled mining works.
- Bitcoin Developer Guide: proof of work opens in a new tab
Supports: Documents Bitcoin's periodic difficulty adjustment and the computational-cost model for chain-history attacks.
- Cambridge CBECI methodology opens in a new tab
Supports: Shows why electricity cost, hardware efficiency, and changing network conditions are central inputs to mining-economics estimates.
Concept Diagram
Key Takeaways
1
ASICs are specialized for a particular computation and mining algorithm
2
Efficiency is measured for a specific model and operating condition, not as a permanent profit advantage
3
Difficulty, hash rate, energy cost, hardware condition, and pool terms change mining outcomes
4
Proof-of-work cost and mining-device ownership do not establish a universal security ranking
Practical Example
Before purchasing a SHA-256 miner, an operator verifies the model's measured efficiency, local power and hosting contract, machine condition, warranty, expected downtime, current difficulty, pool fee, and tax treatment. They model adverse cases and do not assume a listed hash rate will generate a profit.
Finished learning?
Related Terms
Blockchain
Consensus MechanismThe protocols, incentives, and rules that let distributed network participants select and validate a shared ledger state despite delays, faults, or conflicting proposals.
Blockchain
MiningIn a proof-of-work system, the process of building candidate blocks and repeatedly hashing their headers until one meets the network target. A valid block is still accepted only if it follows the network's consensus rules.
Blockchain
NodeSoftware connected to a blockchain network that can relay data and, depending on its operating mode, validate blocks and transactions under that network's rules. Node capabilities, data retained, privacy, and trust assumptions vary by implementation.
Blockchain
Proof of Work (PoW)A consensus approach in which a candidate block must demonstrate hashing work below a network target before nodes can accept it if all other consensus rules are met. Its security, energy use, and attack costs are network- and time-specific.
Related Deep Dives
Master the hub of Blockchain
Explore all our strategic guides about Blockchain to take your operations to the next level.
View all articles