Cardano news

Cardano Foundation has released Mesmo, a native shared library that brings offline Cardano Client Lib functionalities to Python, Go, Rust, and JavaScript developers, eliminating the need for a Java runtime. The library, built via GraalVM Native Image, supports account management, key derivation, address validation, cryptographic operations, and an offline transaction builder for payments, staking, and governance. This move aims to broaden Cardano's developer ecosystem beyond its Haskell roots, supplementing existing SDKs with deeper CCL features. While Mesmo is a developer tool with no market implications, its governance capabilities could accelerate non-Haskell governance tooling. The Python release is pre-release (0.1.0rc8), so APIs may change.

Cardano is voting on a governance proposal to cut the minimum stake-pool fixed fee from 170 ADA to 75 ADA, a 55% reduction. Unlike an earlier bundled attempt, this standalone action does not require a stake pool operator (SPO) ballot, only DRep and Constitutional Committee approval. The previous proposal failed after SPO support fell short of the required 51%. A lower minimum could benefit small-pool delegators by leaving more rewards after the fixed charge, but operators would sacrifice predictable income. The proposal's author views it as an interim step toward broader fee reform. Past data shows that after the last minimum cut from 340 to 170 ADA, many pools kept the higher fee, suggesting the impact of this change remains uncertain. As of Sep. 23, DRep yes votes stood at 11.7% against a 67% threshold, and two of seven committee members had voted yes. Voting ends in epoch 661 on Oct. 11. If approved, individual pools would decide whether to adopt the lower fee, meaning delegator benefits depend on actual operator behavior and reward earnings.

Cardano surged about 30% in a week to $0.26 after the Cardano Foundation integrated support for the x402 AI payment protocol into its SDK and tested it on a pre-production testnet. XRP rose 22% above $1.60, buoyed by the Federal Reserve's rate decision and its existing x402 support with over one million agent transactions. Cardano's daily transactions jumped 71% to 33,919, and XRP saw its highest whale activity in a month, indicating the rallies were partly fundamental. The Clarity Act failed in the Senate, leaving US crypto regulation ambiguous. Analysts note Cardano's testnet success is early-stage, while XRP's mainnet adoption provides a stronger floor.

Cardano joined the x402 payment standard on September 21, enabling AI agents to pay for online services directly in ADA. The price rose about 4% in 24 hours, reaching a four-month high. x402 is an open HTTP standard originally built by Coinbase and now under Linux Foundation governance, reviving the HTTP 402 status code for automated transactions. Cardano Foundation engineers built the client, server, and facilitator components after the network's specification merged into the official repository. A real transaction has been processed on the pre-production test network, with mainnet deployment pending. Developers can access a TypeScript package, with Python support planned. Cardano enters a competitive field where XRP Ledger has processed over 1.4 million AI agent transactions and Coinbase reported more than 100 million x402 payments across Base and Solana. Analysts noted a technical breakout from a multi-year resistance area, suggesting potential for a larger reversal. Sustained volume depends on developer adoption after mainnet launch.

Cardano has joined the x402 software stack, enabling developers to build applications and AI agents that can pay for online services using ADA and native tokens. The initial release supports TypeScript, with Python support planned. The payment facilitator has completed a real transaction on Cardano's preprod network, but has not yet been tested on mainnet, meaning the release does not demonstrate AI agents making commercial ADA payments at scale. x402 uses the HTTP 402 Payment Required status code to let software purchase digital resources without a conventional checkout. Coinbase introduced the protocol in 2025 before moving it to an open standards effort. Other networks, such as Solana, XRP Ledger, and Base, already support x402, with significant transaction volumes reported. Cardano's integration adds another blockchain option for developers building around the standard, though its current stage is infrastructure and testing.

Cardano has been integrated into the official x402 SDK, enabling applications and AI agents to pay for API calls in ADA or Cardano-native tokens via standard HTTP requests, without requiring accounts or API keys. The integration, contributed by Cardano Foundation engineers, was merged into the x402 repository around September 9, 2026, and supports mainnet along with preprod and preview testnets. It also accommodates Cardano-native stablecoins like USDM, DJED, and iUSD, reducing volatility risk for payments. The x402 protocol uses the long-unused HTTP status code 402 to request payment for API access. Clients respond by sending a signed Cardano transaction; the server verifies payment before delivering data, creating a direct, account-free payment flow. Cardano's eUTxO model supports this by settling transactions on-chain. While third-party projects like Masumi Network previously built similar functionality, this official integration into the Linux Foundation-governed repository marks a standard for the ecosystem, particularly benefiting autonomous AI agents that can pay for services in a single request cycle.

Cardano's delegated representatives voted against a 12.29 million ADA funding request from Input Output for Pogun, a Bitcoin DeFi credit product, letting the proposal expire. The vote split showed 64.33% opposition among DReps, while the Constitutional Committee approved it. This decision highlights decentralized control over treasury funds, even for a founding builder. Following the rejection, Charles Hoskinson stated Input Output will prioritize technical and commercial fit over a Cardano-first policy for future products, though he still plans to launch Pogun on Cardano by mid-December 2026. Without the funded revenue share, Cardano could still benefit from network activity, but the proposal did not include an exclusivity covenant. The outcome reflects both treasury discipline and Input Output's freedom to pursue other partnerships.

Input Output Global (IOG) warned Cardano users on Sept. 18 to avoid its YouTube channel after a hijack led to a suspected AI-manipulated livestream of Charles Hoskinson promoting a fraudulent crypto giveaway. The broadcast, using Project Catalyst branding, promised to double viewers' crypto and displayed a QR code for payments. IOG advised users not to click links, send funds, or share personal information. The incident followed a known scam pattern documented by Cardano since 2020, including previous channel takeovers and fake Hoskinson streams, with the extent of any losses unverified and attribution unconfirmed. The compromise of the IOG YouTube channel is not isolated, as the Cardano Foundation's X account was hacked in December 2024, though unrelated. The recent attack's use of AI-manipulated footage aligns with Cardano's warnings about advanced impersonation scams, but no forensic report has verified the video's production. IOG has not disclosed how access was obtained, whether other accounts were affected, or if control has been fully restored, with users told to avoid the channel until further notice.

Input Output Group (IOG), the development company behind Cardano, has warned users to avoid its YouTube channel after it was compromised. The channel livestreamed a suspected AI-manipulated video of Cardano founder Charles Hoskinson promoting a fake crypto giveaway. The stream, which pretended to be a Project Catalyst town hall, directed viewers to a QR code with the promise of doubling their wealth. IOG advised users not to click links, send funds, or share personal information in response to the content.

Three days after the ADA/OADA StableSwap pool drain on Cardano's Splash platform, a validator patch closes the documented exploit path but does not restore the missing funds. The attack on Sept. 13 removed 2,424,778 ADA and left the pool with only 10 ADA, trapping OADA holders without meaningful exit liquidity. Splash's report indicates the exploit was possible due to missing reserve-domain checks and one-sided fee bounds. The patch addresses these issues but cannot recover the lost ADA. Other OADA venues had minimal liquidity, and the attacker's OADA sale created a thin secondary market inventory that could arbitrage any new liquidity. Optim Finance, the protocol behind Splash, paused operations and is compiling a full accounting of impacted assets. The update did not announce restored liquidity or redemption mechanisms, leaving OADA holders without a clear path forward. A relaunch requires replenished ADA liquidity or a protocol-level redemption solution.