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Uniswap (UNI) introduces a new browser extension, enhancing the self-custody crypto experience directly from the browser sidebar. (Read More)
Key takeaways
Browser-based crypto mining sounds like a dream: Just open a webpage, let it run, and your computer starts earning crypto in the background. No bulky ASICs, no GPU farms, no long setup tutorials — just your browser doing the heavy lifting.
The idea blew up in the late 2010s with tools like Coinhive, which let website owners mine Monero (XMR) using JavaScript. At first, it seemed like a clever alternative to ads; visitors donated a bit of unused CPU power, and websites earned crypto.
But then came cryptojacking. Sites began running these scripts without user permission, draining resources and slowing down devices. In 2019, Coinhive shut down, citing shrinking returns and mounting scrutiny.
Now, in 2025, browser crypto mining is making a low-key comeback. New tools, new rules and a fresh generation of crypto users are reviving the concept. But is it worth it or just a relic of crypto’s scrappier past?
Let’s break down where things stand today.
Did you know? In 2018, Coinhive was responsible for approximately 1.18% of all Monero blocks mined.
What’s the status of browser-based crypto mining in 2025?Active platformsThe biggest name in browser crypto mining today is CryptoTab Browser. It’s a Chromium-based browser with a built-in mining feature that lets users passively earn Bitcoin (BTC). It also offers tools like Cloud Boost to multiply earnings and a mining pool for better efficiency.
Meanwhile, mobile-first platforms like Pi Network and YouHolder cater to users who want to mine via smartphones — or at least simulate the process while collecting rewards. These platforms blur the line between real mining and gamified engagement, but they’ve drawn millions of users, especially in emerging markets.
Supported coinsMonero is still popular for browser mining; its RandomX algorithm is CPU-optimized and ASIC-resistant, which means regular computers can handle it. CryptoTab, meanwhile, focuses on Bitcoin, though it uses a form of pooled hash power to make it viable through a browser interface, though its efficiency and profitability are often debated due to Bitcoin’s high mining difficulty and reliance on specialized hardware.
Who is mining crypto via browsers?The browser mining audience today is surprisingly broad:
Browser mining won’t make you rich — let’s be clear. But it does lower the barrier to entry, especially for users in lower-income regions or without access to advanced hardware.
Did you know? Some browser-based mining scripts have been designed to continue operating even after a user closes the browser tab by opening hidden windows that persist in the background.
Is browser mining profitable in 2025?Short answer: not really. It’s more about novelty or experimentation than making serious money.
Mining in a browser might get you a few cents’ worth of crypto per day, but only if you leave your computer running non-stop. And that leads to two problems: electricity costs and hardware stress. Over time, those costs can far outweigh the value of the crypto you earn.
For example, in the US, the average residential electricity rate is about $0.15 per kilowatt-hour. Leaving a mid-range laptop mining all day could consume roughly 0.1–0.2 kWh per hour — that’s over $10 per month in electricity for maybe a dollar or two in mined crypto. And you’re putting constant load on your CPU.
Compared to other methodsBrowser mining can’t hold a candle to GPU or ASIC setups. A modern ASIC miner like the Antminer S19 Pro churns out up to 110 terahashes per second (TH/s) — that’s several orders of magnitude higher than what a browser script can deliver.
Cloud mining, on the other hand, lets users rent mining power from remote farms. It’s more efficient and hands-off but also comes with subscription fees and mixed reputations. At least with browser mining, you’re only risking your own device and electricity bill.
Did you know? In 2025, some cloud mining platforms have integrated artificial intelligence to optimize mining operations, enhancing efficiency and profitability for users without requiring direct hardware management.
Environmental footprintWhile it consumes less power than an ASIC farm, browser mining still adds up. Thousands of users mining inefficiently on personal devices generate a surprisingly high cumulative power draw.
That’s why most efforts to make crypto mining greener — like using renewable energy or optimizing ASIC efficiency — haven’t trickled down to the browser level. If you’re eco-conscious, browser mining isn’t the cleanest option out there.
What’s next for browser crypto mining?Tech upgradesWebAssembly (Wasm) has boosted what browsers can do, including mining. It allows faster, more efficient script execution, meaning browsers can now run lightweight mining scripts without wrecking user experience.
Platforms like CryptoTab have also improved their UX, integrating features like built-in VPNs and ad blockers. This is an effort to make mining feel more like a bonus and less like a burden.
Some decentralized finance (DeFi) projects, such as Ore, are even experimenting with combining browser mining and decentralized finance. It’s the early days, but the potential is there to let users contribute computing power and earn rewards while interacting with decentralized applicatioins (DApps) — all within a browser tab.
Market and regulationIn 2025, global crypto adoption has been growing, but so is regulatory scrutiny. In the US, the SEC is pushing for clearer guidance, which may eventually affect how browser-based mining tools are classified or taxed.
Elsewhere, countries like Kuwait have cracked down on mining altogether, citing energy shortages. Local regulations will play a huge role in determining where and how browser crypto mining can survive.
Alternative use casesMining isn’t the only game in town. Brave browser, for example, lets users earn Basic Attention Tokens (BAT) just by viewing ads, which can be used within the Brave ecosystem or exchanged. It’s not mining, technically, but it’s another way to earn crypto passively through browsing.
In the DeFi world, there’s potential to connect browser mining with yield farming or liquidity mining. Imagine earning a trickle of tokens just by keeping your browser open and interacting with onchain applications. It’s early, but real experiments are underway.
Here’s an example of how you can use BAT earned from viewing ads and channel them into DeFi for additional returns:
However, be aware that in liquidity mining, price fluctuations between paired tokens (e.g., BAT/ETH) can lead to losses compared to holding the tokens outright. Also, the value of earned tokens (BAT, UNI, etc.) and DeFi rewards can fluctuate (market volatility), impacting overall returns.
Is browser-based crypto mining worth it?So, is browser mining dead in 2025? Not quite, but it’s no gold rush either.
It’s a fringe activity, appealing to newcomers, tinkerers and anyone curious about crypto’s more obscure corners. With better tech and clearer ethics than in the Coinhive days, it’s no longer a threat — just a slow, modest way to dip your toes in.
If your goal is to understand crypto without buying in, browser mining still has a role to play.
Layer-1 blockchain and metaverse protocol Somnia has launched the Metaverse Browser, aiming to make Web3 exploration and custom content creation more accessible and user-friendly.
Web3-browser Brave has released a new token-gating feature for video calls that leverages Ethereum NFTs to control access.
OpenAI said it is initially rolling out the plugins to a small set of users to "study their real-world use and impact," before expanding to larger-scale access.
Authorities in the U.S. and elsewhere may try to compel tech firms like Apple and Google to exfiltrate private keys from devices and apps under their control, crypto entrepreneur Balaji Srinivasan warned on social media. The former executive of Coinbase believes this would be done to remit funds to cash-hungry governments. Tech Giants Apple, Google
The post ‘Apple and Google Are Systemic Risks to Crypto,’ Says Ex-Coinbase CTO appeared first on BTC Ethereum Crypto Currency Blog.
Basic Attention Token (BAT) price, like other altcoins in the crypto market, has followed the positive tone set by Bitcoin (BTC), soaring almost 95% year-to-date. [...]
The partnership between Brave Software and Solana aims to propel mainstream blockchain adoption.
Continue reading Solana (SOL) Joins Forces With Brave Browser: Price Boost Ahead? at DailyCoin.
Browser-based cryptocurrency mining has made a comeback, allowing casual miners to earn rewards.
Here is a very interesting privacy-oriented crypto project that is currently in the works called MASQ, and it is not only a new browser that you might soon find yourself using, but a whole privacy-oriented network with a lot of potential. The MASQ web3 privacy browser operates on top of the core MASQ Node software, […]
Multiplayer browser for Collaboration – Stack Browser, is planning to sell lifetime licenses of its subscription as Non-fungible tokens. With
The update follows the launch of the Opera's dedicated Crypto Browser across Android, iOS, and desktop — elevating mainstream Web3 access to new levels
Opera also announced support for most major blockchain ecosystems in the Opera wallet.
Continue reading Opera Reports First Quarter 2022 Results at DailyCoin.com.
In January, Opera entered the Web3 space by launching the Crypto Browser Project
The team behind Brave, the privacy- and crypto-friendly web browser, has been developing the browser’s wallet feature for quite some time.
The post Brave browser to give away Bored Ape Yacht Club NFT appeared first on CryptoSlate.
Brave Browser is arguably the best proof of concept for what Web3 really could be. Learn more about how to get started using the browser. COVERED: What is Brave Browser? How to Install and Set Up Brave Browser Features What is Brave Browser? Brave browser is a privacy-focused internet browser that aims to disrupt the […]
The post How To Get Started With Brave Browser appeared first on CryptosRus.
Web3 is here, and ENS is leading the way to provide name standard domain on ETH. Check out our “What Is Ethereum Name Service?” to learn more. Covered: What Is Ethereum Name Service? ENS vs. DNS Partners & Team Tokenomics What Is Ethereum Name Service? Whether one likes it or not, Web3 is here. Businesses […]
The post What Is Ethereum Name Service? appeared first on CryptosRus.
Opera, the famous email browser, has introduced a beta version of its web3 crypto browser. The new beta version is more than just your average internet surfer. Along with features such as a built-in cryptocurrency wallet and shortcut for quickly switching between different crypto exchanges. They have also added decentralized apps support. Web3 Crypto Browser Opera Web3 crypto browser supports both cryptocurrency and blockchain technology. It can function in an environment where digital currencies are accepted and store your funds securely for use on the web or when making transactions through NFC templates (Sony). Blockchain is a decentralized solution that reduces the need for third-party verification by providing trust in transactions through digital signatures. Furthermore, the blocks of this network are spread all over the internet, so it’s tough to hack. Related Reading | TA: Bitcoin Dives Below $40K, Why Bulls Could Struggle In Near Term Blockchain is the future. It’s been implemented and tested against major corporations that have seen its potential for revolutionizing their industry. The blockchain is like a security system to store and transmit data. It’s challenging for anyone else to view what you’re doing on this decentralized platform because all copies are identical, making it super safe. Nowadays, blockchain technology finds itself being used not only by those seeking anonymity but also transparency. Whether you’re an artist wanting domestic creatives’ rights protected. Web3 Browser Features The new Opera Web3 Crypto Browser allows you to explore the emerging world of decentralized web apps. Right now, it’s mostly an online home for crypto enthusiasts and strange blockchain applications with sometimes interesting tokens on them. The future of Web3 is here! With the Opera browser, you can now enjoy a decentralized internet where everything you do will be rewarded with tokens. This foundation for mass adoption has been developed by an innovative company that understands how important security and privacy are in today’s world-a place without those two essentials would surely lead us into chaos.” In an official announcement, Opera stated: “Too few of the web browsing experiences offered today have been built with the intention of putting Web3 centerstage and making blockchain technologies understandable and easy to use. With the Crypto Browser Project, we have set out to change this and starting today, we are inviting the blockchain community to join this mission. If we are to take Web3 beyond great ideas, we need to craft products that embrace both crypto enthusiasts who understand the space and those who are only starting and want to explore it. Our belief is that the world of blockchain needs a fully dedicated browsing experience.” The crypto browser is a new way to make trading cryptocurrency easy and seamless. It allows users who don’t want the hassle of third-party solutions like Coinbase or Bitstamp to trade their coins right from within opera without worrying about losing private keys on babysitting Platforms that are known for security holes. Crypto Corner is a unique browser extension in the Web3 crypto browser that contains the most topical and essential crypto news.So you never miss an update on new decentralized applications again. Blockchain Technology Future The Web3 project is not new. Do you remember The HTC Exodus 1 phone? It was an ambitious collaboration between many companies, including the well-known crypto wallet and Opera browser, but never saw completion. The future seems bright for blockchain and cryptocurrency. Some people think it will be one of the most critical networks in our digital world. Related Reading | TA: Ethereum Nosedives, Indicators Show Signs Of Larger Downtrend In contrast, others worry about its environmental impact or how quickly these technologies grow saturated with data storage capacity as they are currently doing now due to their popularity among users worldwide. It is too early to say that blockchain will never succeed. Technology still has many developing stages. We need time for its full potential to unfold before making any conclusions about whether or not this new invention can revolutionize the way we live our lives entirely. Web3 Crypto Browser Available Versions Try out this new browser that is so far available for Mac, Android, and Windows. The iOS version will be released soon. Featured image from Pixabay, chart from TradingView.com
Brave Browser continues its quest to overtake Google Chrome, but it’s not going to be easy. Does Brave stand a chance? This is is what their latest numbers tell us. Covered: Brave Browser’s Milestone BAT Price Action Brave Browser’s Milestone Decentralized web browser Brave announced today that they have reached 50 million active users as […]
The post Brave Browser Just Passed A Massive Milestone appeared first on CryptosRus.
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