Cardano Foundation announced two initiatives with Petrobras for blockchain traceability of sustainable aviation fuel and renewable diesel. The Book-and-Claim model separates the environmental benefit from the physical fuel and allows it to be assigned to airlines, companies, or individual passengers.
ADA remains 92.1% below its September 2021 peak as a narrowing wedge brings rising support and falling resistance closer together.
Brazilian state-owned energy firm Petrobras is testing Cardano's blockchain to track the environmental benefits of renewable fuels, expanding an experiment aimed at making emissions claims easier to verify.
Brazil's state-controlled energy giant built two blockchain tools with the Cardano Foundation and PUC-Rio to make its sustainable fuel data auditable.
The token was down 2.11% over 24 hours, while $140,000 in long positions and $60,000 in short positions were liquidated.
ADA rose from $0.2472 over the hour and gained 0.71% over 24 hours. Short liquidations totaled $180,000.
Petrobras is testing the blockchain in two research projects aimed at preventing emissions benefits from being counted twice and tracing fuel data across production and use.
Cardano's partnership with Petrobras could revolutionize Brazil's energy sector by enhancing transparency and combating greenwashing in fuel supply chains. Cardano Foundation partners with Petrobras on blockchain fuel applications.
ADA was up 0.66% over 24 hours despite the sharp hourly decline. The measurement was taken from Binance spot ADA/USDT trading at 11:43 a.m.
ADA fell 5.25% over 24 hours, while long liquidations totaled $80,000 across three major exchanges.
ADA's price recorded a year-over-year decline of 68% as of September 28, 2026, trading at $0.247 after slipping 3.22% over the last 24 hours. Historical data shows that Cardano closed in positive territory in only two of the past eight Octobers recorded since 2018.
A major privacy blockchain shake-up could be brewing, and Input Output Global (IOG) founder Charles Hoskinson thinks Midnight could be at the center.