Ethereum co-founder Vitalik Buterin issued a warning about AI, stating that this technology could break the cryptography protecting Bitcoin and Ethereum.

The Russian author doesn’t refer to an immediate danger, but does recommend being careful with exposure to the most vulnerable cryptography.

The warning was issued on October 7th, when Buterin responded to Drake, who has been “asking the industry to prepare for what he calls a ‘bunker mode’ for some time.” The conversation revolved around two areas: “lattices, a type of mathematical problem that underpins post-quantum signatures, and the signature algorithm used by virtually all cryptocurrency wallets.”

Without delving into the mathematical complexity, the discussion focused on analyzing “the mechanism that transforms a private key into a verifiable signature without revealing it, and which underlies every Bitcoin or Ether transfer. Anyone who could break it could sign transactions on behalf of another.”

According to Buterin, the industry assumes that elliptic curves will fall to quantum computers and that hash functions — which combine data into a fixed-length code without an exploitable pattern — and lattices will endure. His doubt lies in this second point.

The Ethereum co-founder advises digital asset holders against moving their funds to new wallets for now and warned against taking seriously the risks that AI poses to cryptography.

Buterin’s fear stems from a debate that is not recent, but rather dates back several years, during which the question of “what will happen when a quantum computer can break public-key cryptography” has been discussed. The novelty lies in the risk factor: it is not quantum computing, but artificial intelligence applied to mathematics.

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Source: merca2

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Bolivia continues its openness to digital assets as a support for its national currency, the boliviano. In this regard, the South American nation is considering including Tether’s USDT stablecoin in its payment system.

The adoption of digital assets and cryptocurrencies in Bolivia continues to rise. The government’s strategy is to bolster its economy by combining other assets with the local currency, the boliviano, and the legal tender US dollar.

Bolivia, national currency, boliviano, US dollar At a press conference last week, Economy Minister José Gabriel Espinoza stated that the proposal “remains under technical review and the government has not published implementation rules nor granted legal tender status to the stablecoin.”

In this regard, Bolivian authorities are “developing a framework for banks, digital wallets, and payment providers,” according to Espinoza. Any implementation would require stricter anti-money laundering controls, as Bolivia remains on the Financial Action Task Force’s gray list, which subjects the country to increased scrutiny due to deficiencies in its financial crimes regime.

Authorities cite the increased adoption of cryptocurrencies by businesses and consumers who “are seeking alternatives to the scarce US dollars in the country.”

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Source: coindesk

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During the presentation of the first-quarter earnings, the CEO of Western Union announced the launch of its USDPT stablecoin, scheduled for May.

It will be issued by Anchorage Digital Bank, which is currently the only federally licensed crypto bank in the United States.

According to the executive, the launch of the digital currency aims to offer an alternative to the SWIFT settlement system, leveraging the Solana blockchain “to process in real time and without business days what banks take up to three days to settle.”

The bank’s biggest ambition is to offer real-time settlement, 24/7, including holidays, unlike traditional banking.

The USDPT stablecoin is the first launch in Western Union’s plans. Second would be the Digital Asset Network (DAN), a platform that connects crypto wallets to the Western Union cash network. And third would be the Stable Card, planned for the end of 2026, which “will function as a debit card that allows users to hold stablecoins and spend in local currency through existing card networks, focusing on high-inflation markets where demand for dollar-denominated instruments is high.”

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Source: cripto247

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Spain is advancing its integration into the crypto ecosystem. Currently, four banks in the European country hold the MiCA license, granted by the CNMV (Spanish National Securities Market Commission), to offer cryptocurrency custody and trading.

Renta 4 Banco is the most recent to be authorized to allow Spaniards to “buy, sell, hold, and transfer crypto assets. In addition, the bank will be able to offer institutional custody, order reception and transmission, and the transfer of Bitcoin (BTC), Ether (ETH), and other assets from its digital platform.”

The first banks to obtain this authorization were BBVA, in March 2025, followed by Cecabank and Openbank, both authorized in July.

“Cecabank immediately activated its custody and order transmission services, while Openbank added a catalog that includes BTC, ETH, Litecoin (LTC), and Cardano (ADA), among other cryptocurrencies.”

It should be clarified that this expansion is not limited to local banks in Spain, since thanks to the “MiCA European passport,” entities from other countries within the bloc can legally operate in Spain without needing to apply for an additional license.

Some of these are Commerzbank from Germany, CACEIS from France, and Société Générale, which offer trading and custody services accessible to Spanish clients under the common regulatory framework.

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Source: cripto247

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The Thai government took a significant step toward a digital tourism model with the launch of the TouristDigiPay crypto wallet. The tool will facilitate the use of cryptocurrencies by visitors and strengthen their adoption.

The government has detailed that the project to launch the wallet was supervised by the Securities and Exchange Commission of Thailand. It also indicated that TouristDigiPay will operate within a “safe environment to ensure strict compliance with Know Your Customer (KYC) and Anti-Money Laundering (AML) regulations.”

Visitors will be able to pay with this wallet at local businesses, where the local currency, the Thai baht, will be converted into cryptocurrencies such as Bitcoin, with the option of linking it to foreign debit and credit cards.

Authorities have set a spending limit based on the size of participating businesses. “Large spaces with electronic payment terminals will have a maximum of 500,000 baht per month (around US$15,300), while smaller businesses will be able to process up to 50,000 baht (just over US$1,500).” This measure will help maintain control over operations.

The launch of the crypto wallet joins the Thai government’s initiatives to promote digital finance in a key sector such as tourism, which has generated more than US$26.25 billion this year.

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Source: cripto247

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The director of the Financial System Supervisory Authority (ASFI) of Bolivia, Ivette Espinoza, announced last week the entry into force of regulations for financial technology platforms and those linked to digital assets.

The regulations, approved by ASFI, were implemented on Tuesday, July 8, representing “an important moment in the modernization of the Bolivian financial system.”

The regulations outline the requirements and procedures for the “establishment and operation of so-called Financial Technology Companies (FTCs), including those operating in cryptocurrency, digital payments, remittances, and electronic loans.”

According to Espinoza, Resolution 540/2025 gives effect to the Supreme Decree enacted last May, which introduces concepts such as tokenized assets and blockchain technology, previously absent from Bolivian financial legislation.

The objective of this measure is to consolidate “a modern, inclusive, and regulated financial ecosystem that allows both public and private providers to enter the technological field with legal certainty.” The regulations apply to companies incorporated in the South American nation, as well as to foreign companies operating through partnerships with local entities.

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La entrada Bolivia implements regulations on financial technology platforms and virtual assets apareció primero en Bitfinance.

Cryptocurrencies are an asset that continues to gain traction in the global market. By 2025, there will be five countries where these assets will be tax-free: El Salvador, the Cayman Islands, the United Arab Emirates, and Germany.

This situation stems from strong regulatory frameworks and an openness to transactions with Bitcoin and other cryptocurrencies, thanks to their security, speed, and transparency.

Regarding tax exemption, in the case of the Cayman Islands, cryptocurrencies do not pay income, capital gains, or corporate taxes, making them the ideal instrument for crypto traders and funds.

In the United Arab Emirates, zero tax applies to “all cryptocurrency activity,” and transactions also benefit from a strong and clear regulatory framework.

El Salvador, in Central America, declared Bitcoin legal tender with full tax exemption. The market’s leading cryptocurrency continues to gain national adoption.

Germany, on the other hand, allows cryptocurrency holdings for more than 12 months with zero tax.

Finally, in the case of Portugal, “long-term cryptocurrency gains remain tax-free; the NHR program boosts benefits for expats.”

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Source: cointelegraph

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Stablecoins represent 90 % of cryptocurrency transactions in Brazil, becoming the preferred payment tool for those seeking speed and security amid the volatility of the traditional market.

This statement was recently made by Denise Cinelli, COO of CryptoMKT, emphasizing that currently, “9 out of 10 crypto transactions in Brazil are made with stablecoins, consolidating them as the preferred option for payments, investments, and protection against volatility.”

With this trend, Brazil is among the largest stablecoin markets in the world, “driven by the search for digital assets that maintain stability and security in a changing economic environment” by offering individuals and businesses trading in the cryptocurrencies USDT (Tether), USDC (USD Coin), and DAI.

Stablecoin transactions in Brazil are a way out of the inflation and volatility of the real, the local currency. Furthermore, it facilitates remittances and digital payments, in addition to allowing access to financial services for managing money.

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Losing or forgetting the password of a digital asset wallet does not necessarily have to be a headache, since there are inheritance wallets, which allow family members to recover said assets in this case, when the holder dies or is incapacitated.

Inheritance wallets are emerging as a solution to avoid losing the cryptocurrency balance, as has happened to thousands of people around the world for different reasons.

If it is a case of forgetting or losing the password, guardians or beneficiaries can be designated who are able to help recover this information without compromising privacy.

In the event that the holder is still alive but cannot manage his assets, the heirs can activate these wallets through scheduled inactivity mechanisms, such as six months or a year, and if during that period there are no movements or authentication, the transfer of funds to the registered beneficiaries is activated.

Other fund transfer mechanisms are smart contracts or multi-signatures in cases where the conditions specified in such mechanisms are met.

It is important to remember that solutions must be foreseen to resort to in case of loss of the password of an inherited wallet so that the beneficiaries can restore it from other devices.

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With information from Criptonoticias

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Spanish bank BBVA announced that it is working on its own stablecoin with the support of credit card issuer Visa.

According to Francisco Maroto, head of digital assets and blockchain, the bank is ready to join the stablecoin market, although it is not yet known “if the asset will be backed by deposits, market funds or fiat currencies.”

BBVA is in the testing or sandbox phase, “within a Visa program designed to facilitate the creation of tokenized assets, called Visa Tokenized Asset Platform (VTAP).”

The bank plans to move towards the prototype stage to begin live operations in 2025. At the moment, it has not been announced whether the stablecoin will be backed by “bank deposits, money market funds or fiat currencies such as the euro or the US dollar.”

According to Maroto, the goal of BBVA’s stablecoin is to be used in the settlement layer of cryptocurrency exchanges. “We realized that blockchain technology can revolutionize the way we exchange value digitally and, consequently, change the way the financial system works,” the official told Fortune.

Regarding the decision to partner with Visa, he highlighted that they evaluated the company’s prestige and its adherence to European regulations, alluding to the MiCA Law.

Moroto hinted at the possibility of BBVA launching its own euro-based stablecoin, thanks to its extensive presence in Europe, and that it be used in “settlement in markets that offer tokenized assets, with BBVA managing the minting and burning processes to integrate these ecosystems.”

It is important to remember that the Spanish bank already offers custody and marketing services for “bitcoin, ether (ETH) and USD Coin (USDC) in Switzerland for private and institutional banking clients, and is currently seeking to expand into Turkey.”

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La entrada BBVA to join stablecoin market in partnership with Visa apareció primero en Bitfinance.