Technology

Bitkey Named on TIME’s Best Inventions of 2024 List in “Privacy & Security”

Self-custody wallet Bitkey, designed to empower people around the world to truly manage their bitcoin easily and safely, makes the list

How a DevEx Initiative Aims to Save 500,000 Developer Hours

The New Stack explores initiatives from Block’s Developer Experience team

The Power of Mobile Apps like DoorDash and Cash App When it Comes to Spending, Saving, and Shopping

DoorDash and Cash App Join Forces to Power Next-Gen Desires to Spend, Save, and Shop

Block to roll out bitcoin payments on Square

BTC Inc. will be the first to trial new payments feature at Bitcoin Las Vegas 2025

Block Joins the Kotlin Foundation

Block joins the Kotlin Foundation to support Kotlin’s growth and innovation, deepening its long-standing commitment to the language and open source.

Block Releases Open Source Tools for Bitcoin Treasury Management

Block has released open source tools for companies to track their bitcoin holdings.

Still Here for LA: Square and Cash App Commit $3M to Local Rebuilding Efforts

Square and Cash App are announcing a $3M direct commitment to LA sellers, to help these businesses and their communities rebuild long-term.

Strengthening Child Safety: Cash App Expands Reporting to NCMEC’s CyberTipline

Cash App is committed to identifying and escalating potential threats to NCMEC’s CyberTipline, using advanced detection tools and law enforcement collaboration to enhance child safety.

Meet Manik Surtani, Block’s Head of Open Source

Standing on the Shoulders of Giants: Meet Manik Surtani, Block’s Head of Open Source

Block Becomes First Company in North America to Deploy the Latest NVIDIA GB200 Systems for Frontier Models

Block’s AI research will focus on solving problems to empower real people in the economy using open source technology

Block Open Source Introduces “codename goose” — an Open Framework for AI Agents

Developed by Block engineers, codename goose allows developers (and soon, anyone) to turn LLM output into real-world action.

Introducing Block Open Source

Announcing our Open Source Program Office (OSPO) to drive collaboration, innovation, and community engagement.

How Cash App Is Fighting Scams

Our latest white paper explores the growing complexity of scams and highlights how we’re proactively trying to address emerging risks.

Block Contributes Digital Identity Components to the Decentralized Identity Foundation

In support of its decentralized identity work, Block is contributing foundational components developed under the Web5 umbrella to the Decentralized Identity Foundation (DIF).

New Report Highlights Opportunities for Blockchain and Digital Assets to Empower Businesses in Displaced Communities

Block and the European Bank for Reconstruction and Development (EBRD) explore how digital assets and cryptocurrencies can be a useful tool to support financial inclusion for businesses in displaced communities.

How Cash App Uses Machine Learning to Route Customers to the Right Support Agent

Cash App has routed 4 million customer support phone calls, saving customers countless hours.

The Power of Hack Weeks: A $45 Million Example

What started as a hack week project has grown into a generative AI tool that helps Square sellers engage their customers with faster, more efficient campaigns.

Block Joins Tech Coalition’s Lantern, the Child Safety Cross-Platform Sharing Program

Block is joining Lantern, The Tech Coalition’s child safety cross-platform signal sharing program, in a pilot to see if signal sharing can help disrupt the financial incentives associated with online child sexual exploitation and abuse (OCSEA).

How AI-Driven Scam Warnings Help Prevent Fraud on Cash App

Cash App leverages machine-learning systems to detect the likelihood of scam or fraud in peer-to-peer transactions and warn customers of the potential danger before they complete the payment.

Using AI to Identify and Prevent Fraud

AI and machine learning technology help Cash App quickly and precisely identify and thwart illegal and fraudulent activities.

Block’s New Bitcoin Mining Chip to Be Part of an Ongoing Project with Core Scientific to Decentralize Mining Hardware

Block's Proto team and Core Scientific [Nasdaq: CORZ], one of the largest owners and operators of high-powered digital infrastructure for bitcoin mining and hosting services in North America, today announced an agreement to supply Core Scientific with Block’s new 3 nanometer (3nm) mining ASICs, built by the Proto team, representing approximately 15 EH/s (exahashes per second) of hashrate.

Bitcoin Blueprint for Corporate Balance Sheets

An update on the strategy behind our company-held bitcoin investment, including historical purchase execution, storage mechanics, and insurance and accounting considerations.

Self-Custody Bitcoin Wallet Bitkey, Built by Block, Inc., Launches Globally, Widening Access to True Financial Ownership

Bitkey’s mission to give people more control over their bitcoin comes to life with an easy-to-use self-custody bitcoin wallet for people who want to truly own their bitcoin safely Bitkey includes a mobile app, hardware device, and a set of recovery tools, and is available today at bitkey.world for customers across 95+ countries.

Bitcoin Price Volatility and the Making of a Mature Market

While the fluctuating price of bitcoin draws a lot of attention, less well-known are the proven benefits of bitcoin as an investment diversification strategy.

Bitcoin Knowledge and Perceptions: Chapter II

Our 2023 global bitcoin survey builds on our 2022 survey’s findings and provides a resource for policymakers to better understand how and why people are drawn to or avoid the decentralized currency.

Helping The Bitcoin Classic Shine in Atlanta

At the end of June, The Bitcoin Classic held its latest tournament in Atlanta, GA, welcoming teams from across the country to compete, have fun, and learn more about bitcoin and blockchain technology.

Scenes from the 2022 TBC in Rucker Park, Harlem.

We’re Excited to Award the Discovery Grant to The Bitcoin Classic (TBC) for a Second Time

We’ve given The Bitcoin Classic (TBC) a second Discovery Grant. The grant supports nonprofit organizations working to make financial education — fiat and/or bitcoin — open and available to all.

Committing to Clean Energy and Bitcoin Mining

Block’s work to accelerate renewable, energy-based mining.

Get to Know the Bitcoin Academy

In 2022, Block and the Shawn Carter Foundation partnered to provide free education on bitcoin for residents of Marcy Houses in Brooklyn, New York.

Gridless, a Bitcoin Mining Company in East Africa, Raises $2M in Funding Led by Stillmark and Block, Inc.

The investment will support Gridless’s further expansion of bitcoin mines across African markets.

Currency of Freedom

In 2022, the Human Rights Foundation and Block, Inc. presented Currency of Freedom — a series offering global perspectives on bitcoin, human rights, and economic empowerment.

2022 Bitcoin Survey Report: Knowledge and Perceptions

Block partnered with Wakefield Research to gather insights on people’s knowledge and perceptions of bitcoin around the world and across demographics.

Bitcoin and the Future of Clean Energy

An exploration of the role bitcoin could play in accelerating the transition to clean energy.

Square, Inc. Invests $50 Million in Bitcoin

Square, Inc. (NYSE: SQ) made a significant investment by acquiring more than 4,000 bitcoins, totaling a purchase value of $50 million, as announced today.

Bitkey Named on TIME’s Best Inventions of 2024 List in “Privacy & Security”

Self-custody wallet Bitkey, designed to empower people around the world to truly manage their bitcoin easily and safely, makes the list

How a DevEx Initiative Aims to Save 500,000 Developer Hours

The New Stack explores initiatives from Block’s Developer Experience team

The Power of Mobile Apps like DoorDash and Cash App When it Comes to Spending, Saving, and Shopping

DoorDash and Cash App Join Forces to Power Next-Gen Desires to Spend, Save, and Shop

Block to roll out bitcoin payments on Square

BTC Inc. will be the first to trial new payments feature at Bitcoin Las Vegas 2025

Block Joins the Kotlin Foundation

Block joins the Kotlin Foundation to support Kotlin’s growth and innovation, deepening its long-standing commitment to the language and open source.

Block Releases Open Source Tools for Bitcoin Treasury Management

Block has released open source tools for companies to track their bitcoin holdings.

Still Here for LA: Square and Cash App Commit $3M to Local Rebuilding Efforts

Square and Cash App are announcing a $3M direct commitment to LA sellers, to help these businesses and their communities rebuild long-term.

Strengthening Child Safety: Cash App Expands Reporting to NCMEC’s CyberTipline

Cash App is committed to identifying and escalating potential threats to NCMEC’s CyberTipline, using advanced detection tools and law enforcement collaboration to enhance child safety.

Meet Manik Surtani, Block’s Head of Open Source

Standing on the Shoulders of Giants: Meet Manik Surtani, Block’s Head of Open Source

Block Becomes First Company in North America to Deploy the Latest NVIDIA GB200 Systems for Frontier Models

Block’s AI research will focus on solving problems to empower real people in the economy using open source technology

Block Open Source Introduces “codename goose” — an Open Framework for AI Agents

Developed by Block engineers, codename goose allows developers (and soon, anyone) to turn LLM output into real-world action.

Introducing Block Open Source

Announcing our Open Source Program Office (OSPO) to drive collaboration, innovation, and community engagement.

How Cash App Is Fighting Scams

Our latest white paper explores the growing complexity of scams and highlights how we’re proactively trying to address emerging risks.

Block Contributes Digital Identity Components to the Decentralized Identity Foundation

In support of its decentralized identity work, Block is contributing foundational components developed under the Web5 umbrella to the Decentralized Identity Foundation (DIF).

New Report Highlights Opportunities for Blockchain and Digital Assets to Empower Businesses in Displaced Communities

Block and the European Bank for Reconstruction and Development (EBRD) explore how digital assets and cryptocurrencies can be a useful tool to support financial inclusion for businesses in displaced communities.

How Cash App Uses Machine Learning to Route Customers to the Right Support Agent

Cash App has routed 4 million customer support phone calls, saving customers countless hours.

The Power of Hack Weeks: A $45 Million Example

What started as a hack week project has grown into a generative AI tool that helps Square sellers engage their customers with faster, more efficient campaigns.

Block Joins Tech Coalition’s Lantern, the Child Safety Cross-Platform Sharing Program

Block is joining Lantern, The Tech Coalition’s child safety cross-platform signal sharing program, in a pilot to see if signal sharing can help disrupt the financial incentives associated with online child sexual exploitation and abuse (OCSEA).

How AI-Driven Scam Warnings Help Prevent Fraud on Cash App

Cash App leverages machine-learning systems to detect the likelihood of scam or fraud in peer-to-peer transactions and warn customers of the potential danger before they complete the payment.

Using AI to Identify and Prevent Fraud

AI and machine learning technology help Cash App quickly and precisely identify and thwart illegal and fraudulent activities.

Block’s New Bitcoin Mining Chip to Be Part of an Ongoing Project with Core Scientific to Decentralize Mining Hardware

Block's Proto team and Core Scientific [Nasdaq: CORZ], one of the largest owners and operators of high-powered digital infrastructure for bitcoin mining and hosting services in North America, today announced an agreement to supply Core Scientific with Block’s new 3 nanometer (3nm) mining ASICs, built by the Proto team, representing approximately 15 EH/s (exahashes per second) of hashrate.

Bitcoin Blueprint for Corporate Balance Sheets

An update on the strategy behind our company-held bitcoin investment, including historical purchase execution, storage mechanics, and insurance and accounting considerations.

Self-Custody Bitcoin Wallet Bitkey, Built by Block, Inc., Launches Globally, Widening Access to True Financial Ownership

Bitkey’s mission to give people more control over their bitcoin comes to life with an easy-to-use self-custody bitcoin wallet for people who want to truly own their bitcoin safely Bitkey includes a mobile app, hardware device, and a set of recovery tools, and is available today at bitkey.world for customers across 95+ countries.

Bitcoin Price Volatility and the Making of a Mature Market

While the fluctuating price of bitcoin draws a lot of attention, less well-known are the proven benefits of bitcoin as an investment diversification strategy.

Bitcoin Knowledge and Perceptions: Chapter II

Our 2023 global bitcoin survey builds on our 2022 survey’s findings and provides a resource for policymakers to better understand how and why people are drawn to or avoid the decentralized currency.

Helping The Bitcoin Classic Shine in Atlanta

At the end of June, The Bitcoin Classic held its latest tournament in Atlanta, GA, welcoming teams from across the country to compete, have fun, and learn more about bitcoin and blockchain technology.

Scenes from the 2022 TBC in Rucker Park, Harlem.

We’re Excited to Award the Discovery Grant to The Bitcoin Classic (TBC) for a Second Time

We’ve given The Bitcoin Classic (TBC) a second Discovery Grant. The grant supports nonprofit organizations working to make financial education — fiat and/or bitcoin — open and available to all.

Committing to Clean Energy and Bitcoin Mining

Block’s work to accelerate renewable, energy-based mining.

Get to Know the Bitcoin Academy

In 2022, Block and the Shawn Carter Foundation partnered to provide free education on bitcoin for residents of Marcy Houses in Brooklyn, New York.

Gridless, a Bitcoin Mining Company in East Africa, Raises $2M in Funding Led by Stillmark and Block, Inc.

The investment will support Gridless’s further expansion of bitcoin mines across African markets.

Currency of Freedom

In 2022, the Human Rights Foundation and Block, Inc. presented Currency of Freedom — a series offering global perspectives on bitcoin, human rights, and economic empowerment.

2022 Bitcoin Survey Report: Knowledge and Perceptions

Block partnered with Wakefield Research to gather insights on people’s knowledge and perceptions of bitcoin around the world and across demographics.

Bitcoin and the Future of Clean Energy

An exploration of the role bitcoin could play in accelerating the transition to clean energy.

Square, Inc. Invests $50 Million in Bitcoin

Square, Inc. (NYSE: SQ) made a significant investment by acquiring more than 4,000 bitcoins, totaling a purchase value of $50 million, as announced today.