What is OP_CAT?

OP_CAT is the proposed reactivation of a Satoshi-era opcode that could enable covenants and other features on Bitcoin.

Colin Harper
Colin Harper
Bitcoin Mining Guides
A screenshot of the BIP-119 GitHub for OP_CTV

What is OP_CTV and BIP-119?

OP_CHECKTEMPLATEVERIFY (or OP_CTV for short) is a Bitcoin upgrade that would enable covenants, vaults, and other improvements to Bitcoin.

Colin Harper
Colin Harper
Bitcoin Mining Guides
BTC-denominated hashprice, 1-week view (January 29-February 5 2024) | Source: Hashrate Index

Hashrate Index Roundup (February 5, 2024)

Bitcoin's hashrate is back with a vengeance after January's winter storms, and difficulty is at an all-time high as a result.

Colin Harper
Colin Harper
Hashrate Index Newsletter
BTC-denominated hashprice, 1-month view (December 2023 - January 2024) | Source: Hashrate Index

Hashrate Index Roundup (January 29, 2024)

Bitcoin's hashrate hits an all-time high, and hashprice is back above $80/PH/day.

Colin Harper
Colin Harper
Hashrate Index Newsletter
Bitcoin Mining Predictions 2024

Bitcoin Mining Predictions for 2024

Here are a few predictions for the Bitcoin mining industry in 2024.

Colin Harper
Colin Harper
Bitcoin Mining Concepts

Hashrate Index Roundup (January 21, 2024)

Gobs of hashrate came offline last week, and mining difficulty fell by its largest percentage since December 2022.

Colin Harper
Colin Harper
Hashrate Index Newsletter
Hashrate Index 2023 Bitcoin Mining Year in Review

Hashrate Index 2023 Bitcoin Mining Year in Review: In the Shadow of the Halving

2023 was a comeback year for a beleaguered Bitcoin Mining industry. We cover the highlights in our 2023 Bitcoin Mining Year in Review.

Hashrate Index
Hashrate Index
Hashrate Index Newsletter
Bitcoin mining in Canada 2023

Bitcoin Mining in Canada: 2023 Recap and Looking Ahead to 2024

Bitcoin miners in Canada faced policy challenges in 2023, but they also adapted to this adversity.

Ethan Vera Aaron Foster
Bitcoin Mining Concepts