On September 23, 2017, the Cardano network’s first block, its genesis block, was created. The mainnet followed six days later, on September 29, 2017, with the launch of the Byron era.
Today, September 23, 2026, marks exactly nine years since that first block.
At the time, Cardano was presented as a research driven blockchain with an ambitious goal: to build a more secure, scalable and sustainable foundation for a new generation of decentralized applications and digital economies.
Nine years later, much of that original roadmap is no longer just a proposal. It can be observed in the ledger, in the network’s infrastructure, in applications running on Cardano, and in its governance system.
But how much of the original vision has actually become reality?
To explore that question, we can look at the five eras that shaped Cardano’s development and compare what they envisioned with what exists today.
Byron → Shelley → Goguen → Basho → Voltaire
Byron • Foundation
Cardano’s first challenge was fundamental: build the foundation.
Byron launched the Cardano mainnet and introduced ada. Since then, the network has continued to evolve through successive protocol eras while preserving the continuity of its ledger.
Marking today’s anniversary, the Cardano Foundation reported that the network has now recorded over 13.97 million blocks, with the live count available on Cexplorer, and 123.98 million transactions, also trackable live on Cexplorer.
The important point is not simply the size of these numbers. The foundation built in 2017 became a continuously evolving blockchain, moving through successive protocol upgrades and reaching its 11th major upgrade with van Rossem.
- Vision → A functioning blockchain.
- Reality → Built and still evolving, nine years on.
Shelley • Decentralization
Shelley aimed to move Cardano from federated block production toward a network where the community could participate through staking, delegation and stake pools.
The transition became concrete on March 31, 2021, when the decentralization parameter d reached zero, meaning community stake pools took over block production. The parameter has since been fully retired as Cardano moved to entirely community produced blocks.
Nine years after genesis, the network counts roughly 2,890 registered stake pools, listed live on Cexplorer’s pool directory.
The transition also went further than block production. Cardano launched with seven Genesis Keys distributed among its three founding entities. Those keys were ultimately burned on August 30, 2024 as Cardano moved further toward community governance.
- Vision → Move control of block production toward the community.
- Reality → Community stake pools became responsible for block production, followed by the transition toward on-chain governance.
Goguen • Smart Contracts
Goguen aimed to make Cardano programmable, extending the network beyond the transfer of ada toward applications and digital assets.
That transition happened through several upgrades. Mary introduced native assets in March 2021, while Alonzo introduced smart contract capabilities in September 2021.
Contract interaction volume continues to climb daily and is therefore better checked live through Cexplorer’s contract interactions page rather than treated as a fixed anniversary figure.
And the evidence isn’t limited to a blockchain statistic. Cardano’s official Apps and dApps directory currently showcases live mainnet applications across DEXs, lending, marketplaces, governance, identity, gaming and other categories, providing another way to inspect what is actually running on the network.
- Vision → A programmable blockchain capable of supporting applications and native assets.
- Reality → Smart contracts, native assets and a live application ecosystem exist on mainnet.
Basho • Scaling
Basho was designed around optimization, scalability and interoperability. Unlike the previous eras, this is an area where the original vision is still actively being engineered.
At Layer 2, Hydra provides a scaling path through Hydra Heads, allowing transactions to be processed off-chain while remaining connected to Cardano Layer 1. Hydra is available on mainnet, but its documentation explicitly notes that the protocol is still evolving and has known limitations.
At Layer 1, Ouroboros Leios is being developed as a major throughput extension to Praos. Its public MusashiNet testnet has been running since June 2026.
During the Earth phase, the August 21 development report recorded 127,000+ blocks over 41 days, growth from 3 to 63 participating pools, and roughly 6× Praos mainnet throughput under synthetic load.
These are testnet results, not current mainnet performance. That distinction matters. Basho is no longer only a roadmap concept, but it is also not a finished chapter.
- Vision → Scale the network while preserving its core properties.
- Reality → Significant scaling infrastructure exists, but the work continues.
Voltaire • Governance
Voltaire envisioned a Cardano capable of governing and sustaining its own evolution through voting and treasury mechanisms.
That vision has now become an operational part of the protocol. The Chang and Plomin upgrades moved Cardano into the Conway era, with Plomin completing the governance feature set described under CIP-1694, including DReps, treasury withdrawals and full governance actions.
The governance model includes three distinct bodies: DReps, Stake Pool Operators, and the Constitutional Committee. DRep delegation activity, meaning who is entrusting their voting power to whom, is also trackable live on Cexplorer.
On today’s anniversary, the Cardano Foundation reported 158 governance actions, with 36,322 votes recorded. Both figures continue to change and can be followed through Cexplorer’s governance action and governance vote pages. The constitution ratified fully on-chain can also be read directly on Cexplorer’s constitution page.
There’s a fresh proof point too. The van Rossem hard fork, activated on July 18, 2026, became the first Cardano protocol upgrade to be proposed, debated and ratified entirely through on-chain governance. This is a concrete example of the governance mechanisms described by the Voltaire era being used for an actual protocol upgrade.
The transition also extends beyond on-chain voting. Intersect was established as a member based organization supporting Cardano’s continued development, with stewardship of core repositories moving from IOG to Intersect.
- Vision → A network capable of governing and sustaining its own evolution.
- Reality → On-chain governance is operational, tested through real protocol decisions, while broader community stewardship continues to develop.
Nine years, and what comes next
None of this should be read as a scorecard. Each era marks a different stage in Cardano’s evolution, but reaching a milestone does not automatically measure its impact.
More transactions → not necessarily more adoption. More stake pools → not necessarily more decentralization. More governance activity → not necessarily more effective governance.
The figures and milestones above are therefore best treated as evidence of what has been built, and as a starting point for your own verification through the explorer links throughout this piece.
What they do show is that much of Cardano’s original architecture, from the ledger and decentralized block production to smart contracts and on-chain governance, has moved from research and design into a functioning network. Scaling and interoperability → still being built.
The larger question now is what the ecosystem can build on top of that foundation.
Beyond the five eras
There is another reason not to call the original roadmap simply “complete.” Cardano was designed around several difficult and interconnected objectives: security, decentralization, scalability, interoperability and long term sustainability. Progress in one does not automatically mean the others are solved.
Scaling is still being developed. Interoperability continues to evolve. Governance is still maturing. And ultimately, the infrastructure will be measured not only by what has been built, but by what people and organizations are able to build and use on top of it.
So the evidence points to something more precise than saying Cardano has “solved” these challenges.
Much of the original architecture is real. The larger challenge is what the ecosystem can build with it.
So, what comes after the original roadmap? The Cardano 2030 Vision
The original five era roadmap described much of the architecture Cardano set out to build.
Now the question is increasingly different: What should the community build with it?
The Cardano 2030 Vision emerged from a community led process involving more than 700 participants. In January 2026, an on-chain Info Action received 67.8% Yes approval, representing 3.77 billion ada in voting power. (Cardano)
Importantly, the framework is non-binding. It was designed as a checkpoint and shared direction, not a mandate that automatically determines future development. (Intersect)
That shift matters:
Founder-defined roadmap → Community-operated network → On-chain governance → Community-defined long-term direction
The first nine years were largely about building the foundations. The next chapter is increasingly about what the community chooses to build with them.
The question now is different
In 2017, the question was whether Cardano’s research driven architecture could become a functioning blockchain. Today, much of what was once described as Cardano’s future can be inspected directly, and verified independently, in its ledger, infrastructure, applications and governance.
The harder question is what happens next: whether Cardano can turn that foundation into meaningful adoption at scale without sacrificing the properties it was designed to protect.
The first nine years were about making the architecture real. The next chapter is about what the community builds with it.
Anniversary figures (blocks, transactions, stake pools, governance actions and votes) were reported by the Cardano Foundation on September 23, 2026, and are cited here via secondary coverage, not a primary Cardano Foundation source directly accessed. For the current, live count of any figure in this article, follow the Cexplorer links throughout; they reflect real time on-chain data, not a fixed snapshot.