The post Iran to Intensify Crackdown as 95% of its 427K Crypto Rigs Run Illegally appeared on BitcoinEthereumNews.com. Iran’s crypto mining industry is facing a widespread illegal mining crisis, with authorities estimating that over 95% of the country’s 427,000 active mining devices are operating without authorization. Akbar Hasan Beklou, CEO of the Tehran Province Electricity Distribution Company, said on Sunday that Iran has become the world’s fourth-largest crypto mining hub, fueled by the country’s heavily subsidized electricity prices, which have made it a “paradise for illegal miners.” These unlicensed operations consume more than 1,400 megawatts of power around the clock, placing immense pressure on the national grid and threatening the stability of electricity supplies. Beklou noted that most illicit miners disguise their activities as industrial facilities to access cheaper power. Iran’s cheap cost of mining Bitcoin. Source: Bitcoin Archive Related: Major Iranian private bank goes bankrupt, roiling 42M customers Iran shuts down 104 illegal crypto farms Authorities have intensified their crackdown on illegal operations. In Tehran Province alone, 104 unauthorized mining farms have been shut down, with 1,465 machines seized, equivalent to the electricity usage of nearly 10,000 households, Beklou said. The government has identified several hotspots for illicit mining, including Pakdasht, Malard, Shahre Qods and southwestern Tehran’s industrial zones. Inspectors have uncovered farms hidden in underground tunnels and factories using subsidized power connections to evade detection. Beklou said specialized inspection teams are working with law enforcement to dismantle these operations. Related: Afghanistan internet blackout ’a wake-up call’ for blockchain decentralization Iran offers bounty to citizens reporting illegal mining In August, Iran announced that it is offering cash rewards to citizens who report illegal cryptocurrency mining operations. The CEO of state-run utility Tavanir, Mostafa Rajabi Mashhadi, announced that informants will receive 1 million toman (about $24) for every unauthorized mining device reported. According to a June report by CoinLaw, Iran ranks fifth globally in Bitcoin (BTC) hashrate distribution,… The post Iran to Intensify Crackdown as 95% of its 427K Crypto Rigs Run Illegally appeared on BitcoinEthereumNews.com. Iran’s crypto mining industry is facing a widespread illegal mining crisis, with authorities estimating that over 95% of the country’s 427,000 active mining devices are operating without authorization. Akbar Hasan Beklou, CEO of the Tehran Province Electricity Distribution Company, said on Sunday that Iran has become the world’s fourth-largest crypto mining hub, fueled by the country’s heavily subsidized electricity prices, which have made it a “paradise for illegal miners.” These unlicensed operations consume more than 1,400 megawatts of power around the clock, placing immense pressure on the national grid and threatening the stability of electricity supplies. Beklou noted that most illicit miners disguise their activities as industrial facilities to access cheaper power. Iran’s cheap cost of mining Bitcoin. Source: Bitcoin Archive Related: Major Iranian private bank goes bankrupt, roiling 42M customers Iran shuts down 104 illegal crypto farms Authorities have intensified their crackdown on illegal operations. In Tehran Province alone, 104 unauthorized mining farms have been shut down, with 1,465 machines seized, equivalent to the electricity usage of nearly 10,000 households, Beklou said. The government has identified several hotspots for illicit mining, including Pakdasht, Malard, Shahre Qods and southwestern Tehran’s industrial zones. Inspectors have uncovered farms hidden in underground tunnels and factories using subsidized power connections to evade detection. Beklou said specialized inspection teams are working with law enforcement to dismantle these operations. Related: Afghanistan internet blackout ’a wake-up call’ for blockchain decentralization Iran offers bounty to citizens reporting illegal mining In August, Iran announced that it is offering cash rewards to citizens who report illegal cryptocurrency mining operations. The CEO of state-run utility Tavanir, Mostafa Rajabi Mashhadi, announced that informants will receive 1 million toman (about $24) for every unauthorized mining device reported. According to a June report by CoinLaw, Iran ranks fifth globally in Bitcoin (BTC) hashrate distribution,…

Iran to Intensify Crackdown as 95% of its 427K Crypto Rigs Run Illegally

2025/11/03 03:33

Iran’s crypto mining industry is facing a widespread illegal mining crisis, with authorities estimating that over 95% of the country’s 427,000 active mining devices are operating without authorization.

Akbar Hasan Beklou, CEO of the Tehran Province Electricity Distribution Company, said on Sunday that Iran has become the world’s fourth-largest crypto mining hub, fueled by the country’s heavily subsidized electricity prices, which have made it a “paradise for illegal miners.”

These unlicensed operations consume more than 1,400 megawatts of power around the clock, placing immense pressure on the national grid and threatening the stability of electricity supplies.

Beklou noted that most illicit miners disguise their activities as industrial facilities to access cheaper power.

Iran’s cheap cost of mining Bitcoin. Source: Bitcoin Archive

Related: Major Iranian private bank goes bankrupt, roiling 42M customers

Iran shuts down 104 illegal crypto farms

Authorities have intensified their crackdown on illegal operations. In Tehran Province alone, 104 unauthorized mining farms have been shut down, with 1,465 machines seized, equivalent to the electricity usage of nearly 10,000 households, Beklou said.

The government has identified several hotspots for illicit mining, including Pakdasht, Malard, Shahre Qods and southwestern Tehran’s industrial zones. Inspectors have uncovered farms hidden in underground tunnels and factories using subsidized power connections to evade detection.

Beklou said specialized inspection teams are working with law enforcement to dismantle these operations.

Related: Afghanistan internet blackout ’a wake-up call’ for blockchain decentralization

Iran offers bounty to citizens reporting illegal mining

In August, Iran announced that it is offering cash rewards to citizens who report illegal cryptocurrency mining operations. The CEO of state-run utility Tavanir, Mostafa Rajabi Mashhadi, announced that informants will receive 1 million toman (about $24) for every unauthorized mining device reported.

According to a June report by CoinLaw, Iran ranks fifth globally in Bitcoin (BTC) hashrate distribution, contributing 4.2% of the total network’s computing power. The United States leads with a dominant 44%, followed by Kazakhstan (12%), Russia (10.5%), and Canada (9%).

Iran ranks fifth globally in Bitcoin hashrate distribution. Source: CoinLaw

Magazine: Bitcoin OG Kyle Chassé is one strike away from a YouTube permaban

Source: https://cointelegraph.com/news/iran-illegal-crypto-mining-crackdown-95-percent-unlicensed?utm_source=rss_feed&utm_medium=feed&utm_campaign=rss_partner_inbound

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Preliminary analysis of the Balancer V2 attack, which resulted in a loss of $120 million.

Preliminary analysis of the Balancer V2 attack, which resulted in a loss of $120 million.

On November 3, the Balancer V2 protocol and its fork projects were attacked on multiple chains, resulting in a serious loss of more than $120 million. BlockSec issued an early warning at the first opportunity [1] and gave a preliminary analysis conclusion [2]. This was a highly complex attack. Our preliminary analysis showed that the root cause was that the attacker manipulated the invariant, thereby distorting the calculation of the price of BPT (Balancer Pool Token) -- that is, the LP token of Balancer Pool -- so that it could profit in a stable pool through a batchSwap operation. Background Information 1. Scaling and Rounding To standardize the decimal places of different tokens, the Balancer contract will: upscale: Upscales the balance and amount to a uniform internal precision before performing the calculation; downscale: Reduces the result to its original precision and performs directional rounding (e.g., inputs are usually rounded up to ensure the pool is not under-filled; output paths are often truncated downwards). Conclusion: Within the same transaction, the asymmetrical rounding direction used in different stages can lead to a systematic slight deviation when executed repeatedly in very small steps. 2. Prices of D and BPT The Balancer V2 protocol’s Composable Stable Pool[3] and the fork protocol were affected by this attack. Stable Pool is used for assets that are expected to maintain a close 1:1 exchange ratio (or be exchanged at a known exchange rate), allowing large exchanges without causing significant price shocks, thereby greatly improving the efficiency of capital utilization between similar or related assets. The pool uses the Stable Math (a Curve-based StableSwap model), where the invariant D represents the pool's "virtual total value". The approximate price of BPT (Pool's LP Token) is: The formula above shows that if D is made smaller on paper (even if no funds are actually withdrawn), the price of BPT will be cheaper. BTP represents the pool share and is used to calculate how many pool reserves can be obtained when withdrawing liquidity. Therefore, if an attacker can obtain more BPT, they can profit when withdrawing liquidity. Attack Analysis Taking an attack transaction on Arbitrum as an example, the batchSwap operation can be divided into three stages: Phase 1: The attacker redeems BPT for the underlying asset to precisely adjust the balance of one of the tokens (cbETH) to a critical point (amount = 9) for rounding. This step sets the stage for the precision loss in the next phase. Phase Two: The attacker uses a carefully crafted quantity (= 8) to swap between another underlying asset (wstETH) and cbETH. Due to rounding down when scaling the token quantity, the calculated Δx is slightly smaller (from 8.918 to 8), causing Δy to be underestimated and the invariant D (derived from Curve's StableSwap model) to be smaller. Since BPT price = D / totalSupply, the BPT price is artificially suppressed. Phase 3: The attackers reverse-swap the underlying assets back to BPT, restoring the balance within the pool while profiting from the depressed price of BPT—acquiring more BPT tokens. Finally, the attacker used another profitable transaction to withdraw liquidity, thereby using the extra BPT to acquire other underlying assets (cbETH and wstETH) in the Pool and thus profit. Attacking the transaction: https://app.blocksec.com/explorer/tx/arbitrum/0x7da32ebc615d0f29a24cacf9d18254bea3a2c730084c690ee40238b1d8b55773 Profitable trades: https://app.blocksec.com/explorer/tx/arbitrum/0x4e5be713d986bcf4afb2ba7362525622acf9c95310bd77cd5911e7ef12d871a9 Reference: [1]https://x.com/Phalcon_xyz/status/1985262010347696312 [2]https://x.com/Phalcon_xyz/status/1985302779263643915 [3]https://docs-v2.balancer.fi/concepts/pools/composable-stable.html
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PANews2025/11/04 14:00