Jack Dorsey appears at a bitcoin convention on June 4, 2021 in Miami, Florida.
Jack Dorsey onstage at a bitcoin convention in June.Joe Raedle/Getty Images
  • Jack Dorsey confirmed Thursday that Block is building a bitcoin mining system, after flagging the idea in October.
  • As part of the project, Block is looking at how to make it easy for anyone, anywhere to buy a mining rig.
  • It's a step forward in Block's crypto ambitions, after CEO Dorsey shifted focus on leaving Twitter.

Block is going ahead with building a bitcoin mining system that will be open to individuals and businesses worldwide, its CEO Jack Dorsey confirmed late Thursday.

As part of the project, the digital payments company will look at how to make it easy for anyone, anywhere to buy a mining rig.

In October, Dorsey said Block was considering developing a mining system based on custom hardware, using an "open source" approach of working and sharing with the community.

"We're officially building an open bitcoin mining system," he said on Twitter Thursday.

Dorsey shared a more detailed series of tweets from Thomas Templeton, Block's general manager for hardware, laying out the plans for the project.

The goal is to make mining bitcoin, the largest cryptocurrency by market value, more distributed and efficient in every way, Templeton said — including buying, set-up and maintenance.

"We're interested because mining goes far beyond creating new bitcoin. We see it as a long-term need for a future that is fully decentralized and permissionless," he said.

Dorsey has said that the core job of a miner is to securely settle transactions without the need for third parties. He believes the more decentralized this is — that is, the less the need for an intermediary — the more resilient the bitcoin network becomes.

Templeton listed several "customer pain points" and technical challenges in current mining rigs that Block aims to tackle, such as the high cost, power consumption and availability.

"For most people, mining rigs are hard to find. Once you've managed to track them down, they're expensive and delivery can be unpredictable," Templeton said. "How can we make it so that anyone, anywhere, can easily purchase a mining rig?" 

"We want to build something that just works," he added.

Specially designed computer equipment is required to verify transactions in the process that creates newly-minted bitcoins, which can be expensive and energy consuming.

The move steps up Block's ambitions to expand beyond its digital payments business into crypto, which came after Dorsey stepped down as Twitter CEO. The former Square is building a bitcoin-related financial services division called TBD, for instance.

Block has invested heavily in bitcoin, and it holds nearly 8,027 of the coin, according to a Fortune report.

The Twitter co-founder himself has been a strong supporter for the cryptocurrency, and he has said he doesn't think there is anything more important in his lifetime to work on.

Bitcoin is currently trading at $41,934. It is down 4% in the last 24 hours.

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