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Starknet v0.14.2 Brings Native Privacy Infrastructure to Mainnet

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Brian Armstrong's Bold Prediction: AI Agents Will Soon Dominate Global Financial

TLDR:

    • Starknet v0.14.2 introduces SNIP-36, enabling native in-protocol STARK proof verification on mainnet.
    • STRK20 allows any ERC-20 token on Starknet to operate with encrypted balances and shielded transfers.
    • strkBTC lets bitcoin holders access DeFi on Starknet without exposing their full wallet transaction history.
    • SNIP-37 rebalances network economics by raising storage costs while lowering base L2 gas prices for users.

Starknet v0.14.2 is now live on mainnet, introducing native privacy infrastructure to the network. The upgrade adds in-protocol proof verification, enabling confidential transactions at the protocol level.

It also paves the way for STRK20 and strkBTC, two privacy-focused asset frameworks. Together, these changes position Starknet as a privacy-preserving rollup rather than a standard high-performance chain.

In-Protocol Proof Verification Changes How Starknet Handles Privacy

At the core of v0.14.2 is SNIP-36, which brings native proof verification to the protocol. Previously, verifying a STARK proof on Starknet required a smart contract, which was not practical.

STARK proofs are large, often containing tens of thousands of field elements. That size made them incompatible with the network’s maximum transaction limits.

Developers had no clean path forward under the old system. Splitting proofs across multiple transactions was slow, complex, and expensive.

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The official release notes described the previous approach as “prohibitively slow, complex, and expensive.” With v0.14.2, transactions now reference off-chain execution proofs directly through new proof and proof_facts fields in the Invoke V3 transaction structure.

Starknet’s consensus layer handles verification natively under this new model. Users can now prove fund ownership or transfer rights without exposing their balance.

The protocol states that “privacy becomes as seamless as a standard transfer” with this native support in place. Transaction history also remains shielded from public view on the network.

This change removes the biggest barrier to practical privacy on Starknet. Without native support, any privacy solution would have been too slow and costly to deploy at scale.

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STRK20 and strkBTC Are the First to Use the New Framework

STRK20 is a new framework that allows any ERC-20 token on Starknet to operate privately. Thanks to v0.14.2’s ability to verify S-two proofs, tokens can now support encrypted balances.

Per the release announcement, users can now “swap, stake, and send any ERC-20 token while keeping your financial footprint shielded.” This applies from day one of the framework’s availability.

strkBTC builds on this same infrastructure for bitcoin holders specifically. The upgrade allows BTC to be used in DeFi applications without exposing a user’s full bitcoin wallet history.

According to Starknet, the result gives bitcoin holders “hard money that is both private and productive.” This opens BTC participation across the broader BTCFi ecosystem on Starknet.

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Both frameworks operate with a compliance layer in place. A third-party audit firm will hold a viewing key. Subject to valid legal or regulatory requests, that firm may share individual transaction data with relevant authorities.

Beyond privacy, v0.14.2 also addresses network economics through SNIP-37. The update raises storage costs while reducing base L2 gas prices.

SNIP-13 upgrades StarkGate token contracts to version 3.0.0, aligning ERC-20 events with industry standards and preparing for the decentralized validation phase outlined in SNIP-33.

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Crypto World

Bitget brings pre-IPO tokens to masses starting with SpaceX shares on Solana

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Musk’s SpaceX holds $603 million in bitcoin despite $5 billion loss stemming from xAI

Crypto exchange Bitget rolled out a new platform offering tokenized exposure to private companies, starting with an asset linked to SpaceX, as firms push to bring early-stage investing onto blockchain rails.

The platform, called IPO Prime, allows users to subscribe to tokens that track the economic performance of companies before they go public. Its first listing, preSPAX, is tied to Elon Musk’s space and artificial intelligence firm and is issued through Republic, an investment platform specializing in private markets, with tokens minted on the Solana blockchain.

Trading began after a short subscription window, giving users near-immediate liquidity. That marks a break from traditional pre-IPO investing, where stakes in private firms are often locked up for years with limited options to exit.

Instead of fixed allocations, users commit stablecoins into a pool and receive tokens based on total demand. Once distributed, those tokens can be traded on a spot market, allowing investors to adjust positions as expectations around a future listing shift.

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Tokenization has gained traction across traditional finance, from bonds to money market funds to equities. Extending the model to pre-IPO markets could widen access to a segment long dominated by venture capital and private equity, while testing how far crypto infrastructure can reshape capital formation.

The pre-IPO tokens do not represent equity ownership. They are derivatives structured to mirror financial outcomes tied to a company’s valuation after a public debut.

SpaceX is preparing for one of the most widely expected stock market debuts this year, after the firm reportedly confidentially filed for an IPO.

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Gunman Posing as Courier Targets Crypto Investor in France

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Cryptocurrencies, France, Security, Crimes, Self Custody

A man posing as a delivery driver allegedly tried to extort a crypto investor at gunpoint in a suburb of Montpellier, in what local media describe as the first reported crypto-motivated home invasion in France’s Hérault region. 

According to French outlet Actu.fr, the suspect gained access to the family home in Saint-Jean-de-Védas on April 11, pulled out a handgun and forced the parents and their children into a room before the father overpowered him during a struggle in which a shot was fired. 

No one was injured, and investigators from the Montpellier research section of the Gendarmerie later identified and arrested a 25-year-old suspect, who has since been charged and remanded in custody while police examine whether he acted alone.

The case comes amid a surge in so-called “wrench attacks,” in which criminals use threats or violence to force crypto holders to hand over funds or seed phrases, bypassing digital safeguards. France has emerged as one of the countries worst hit by these assaults, with at least 41 crypto-linked kidnappings and home invasions so far this year. 

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France emerges as wrench attack epicenter

France’s wrench attack incidents amount to roughly one every 2.5 days, after such attacks jumped 75% in 2025 to 72 global cases in a single year and millions of dollars in confirmed losses, with France recording the highest number for a single country. 

Related: Crypto execs ramp up security as wrench attacks increase

French tech outlet Generation-NT reported on Tuesday that, beyond victims’ social media footprints, police and cybersecurity specialists increasingly suspect some gangs are compiling target lists from leaked customer data, giving them information on who holds significant crypto and where they live. 

Those concerns have been sharpened by recent leaks at crypto companies. In January, hardware wallet manufacturer Ledger said a breach at its payment partner Global‑e had exposed names, contact details and order information for some hardware wallet buyers, effectively creating a new, high-quality list of confirmed crypto users tied to physical addresses.

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Cryptocurrencies, France, Security, Crimes, Self Custody
Total wrench attacks per country. Source: Gart.io

Kidnappings span fake raids and ransom plots

Recent French cases have ranged from fake police raids to ransom kidnappings. In February, police arrested six suspects over the abduction of a magistrate and her mother in a plot to extort crypto from the magistrate’s partner, a digital asset entrepreneur. Another investigation in March detailed assailants posing as officers who forced a French couple to transfer close to $1 million in Bitcoin (BTC) under threat of violence.

French officials say crypto crime is shifting from code-based exploits to physical coercion. At Paris Blockchain Week, French minister Jean-Didier Berger said the government had launched a prevention platform for crypto holders and was working with the Interior Ministry on wider measures in response to the wave of kidnappings and home invasions tied to digital assets.

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