Cardano Surpasses 121 Million Transactions With Zero Network Outages
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Cardano Surpasses 121 Million Transactions With Zero Network Outages

Cardano has processed over 121 million on-chain transactions since its 2015 launch without experiencing a network outage. The milestone underscores the network's uptime record as competing Layer 1 blockchains have faced periodic congestion and security incidents.

May 26, 2026, 08:02 PM1 min read

Key Takeaways

  • 1## Cardano's Transaction Milestone Cardano has surpassed 121 million cumulative on-chain transactions over its eight-year operational history, according to the Cardano Foundation.
  • 2The figure reflects steady transaction activity across the network's mainnet since its launch in September 2017 (when mainnet began; the project itself started in 2015).
  • 3The milestone carries particular weight given the size of transaction volumes across competitive Layer 1 blockchains.
  • 4## Zero Outages and Network Reliability Cardano's transaction count has been achieved without a single network outage, a claim that distinguishes it from several peer Layer 1 chains that have experienced downtime, congestion spikes, or security-related halts.
  • 5Solana, for instance, has suffered multiple outages since 2021; Ethereum has faced periods of high gas costs during peak demand.

Cardano's Transaction Milestone

Cardano has surpassed 121 million cumulative on-chain transactions over its eight-year operational history, according to the Cardano Foundation. The figure reflects steady transaction activity across the network's mainnet since its launch in September 2017 (when mainnet began; the project itself started in 2015). The milestone carries particular weight given the size of transaction volumes across competitive Layer 1 blockchains.

Zero Outages and Network Reliability

Cardano's transaction count has been achieved without a single network outage, a claim that distinguishes it from several peer Layer 1 chains that have experienced downtime, congestion spikes, or security-related halts. Solana, for instance, has suffered multiple outages since 2021; Ethereum has faced periods of high gas costs during peak demand. Cardano's proof-of-stake consensus, implemented at the network's Shelley upgrade in 2020, has maintained consistent block production and finality without interruption.

Governance and Continued Development

The network's governance structure, which allows ADA holders to vote on treasury spending and protocol changes, continues to shape Cardano's roadmap. The milestone announcement coincides with ongoing development efforts on scaling initiatives and smart contract enhancements, though specific near-term upgrades were not detailed in the announcement.

Why It Matters

For Traders

The uptime record does not directly affect ADA's near-term price action, but offers a counterpoint to narratives that older Layer 1 chains are obsolete relative to newer competitors.

For Investors

Zero outages over eight years supports Cardano's positioning as a high-reliability infrastructure layer, though transaction count alone does not indicate user adoption or DeFi TVL.

For Builders

Cardano's proven stability lowers operational risk for dApps, but the network's lower developer activity relative to Solana or Ethereum remains a material constraint on ecosystem growth.

Sources

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