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Seiza
Cardano blockchain explorer and analytics platform built by EMURGO, now defunct
1.4/ 5
Our score
Weak
Tool type
On-chain analytics
Chains covered
1
What is Seiza?
Seiza was a blockchain explorer and on-chain analytics tool tailored specifically to the Cardano ecosystem. Built as a visual portal for network activity, it provided real-time data feeds, stake pool information, transaction tracking, and address histories before ceasing operations.
Team and background
The product was developed by EMURGO, the commercial venture arm and founding entity of the Cardano blockchain. EMURGO leadership included Ken Kodama as founder and chief executive officer, along with Florian Bohnert as chief marketing officer and Japan director, and Shunsuke Murasaki as chief executive officer of EMURGO Indonesia. EMURGO launched Seiza to establish dedicated, developer-friendly monitoring tools for Cardano native assets and consensus activity.
Core features and architecture
Seiza was an interactive public dashboard and blockchain explorer. Users could query ADA transactions, inspect wallet addresses, audit block generation times, and track validator operations across Cardano stake pools. The tool focused on non-custodial exploration without requiring account registration or user custody.
Platform status and operational limits
Because it was tied directly to Cardano infrastructure, it did not cover multichain operations or support Ethereum and other non-Cardano smart contract platforms. The official domain, seiza.com, is no longer operational and has been listed for sale on domain marketplaces.
Risks and key trade-offs
Historical reliance on single-ecosystem infrastructure meant Seiza offered zero utility for cross-chain portfolios or decentralized finance outside of Cardano. Users searching for on-chain analytics tools cannot access Seiza today.
Founders
Ken KodamaCEO & Founder
Florian BohnertChief Marketing Officer, Japan Director
Shunsuke MurasakiCEO of EMURGO Indonesia
Best for:Cardano historical ecosystem researchArchival blockchain tool tracking
Pros and cons
Pros
- Developed by EMURGO, an original founding entity of Cardano
- Provided native tracking for Cardano blocks, epochs, and stake pools
Cons
- Product is completely shut down and the domain is for sale
- Offered no support for blockchains outside the Cardano ecosystem
Our review
1.4/5
Weak
Seiza provided early Cardano blockchain analytics developed by EMURGO, but the project is completely defunct with its primary domain listed for sale.
Seiza was an on-chain analytics tool and blockchain explorer developed under EMURGO, the commercial arm and founding entity of the Cardano blockchain. Led by EMURGO founder and chief executive officer Ken Kodama alongside executives including Florian Bohnert and Shunsuke Murasaki, the platform focused on delivering transparent network activity and transaction monitoring for the Cardano ecosystem.
As an explorer, Seiza was designed to help researchers, stake pool operators, and token holders inspect block validation and track wallet balances. Its primary asset was direct integration and backing by EMURGO. The platform operated with a focus on simplicity, catering specifically to users requiring direct network verification.
The critical drawback to Seiza is that the product has shut down. As of October 2026, the official website domain is inactive and listed for sale on domain marketplaces. The project maintains no ongoing development updates or maintained data feeds.
Because Seiza is no longer operational, it cannot serve active traders or researchers seeking live blockchain data.
Sources (1)
Specs
| Tool type | On-chain analytics · unverified |
|---|---|
| Chains covered | 1 · unverified |
Not disclosed by the provider: Free plan, Paid plans from (per month), API access, Alerts, Mobile app, Wallet tracking, NFT data, CSV export.
Data from the provider's website and public sources. Fees and availability change; confirm on the official site before you sign up.
Key features
Cardano block exploration
Parsed raw block headers, slot numbers, and epoch progress on the Cardano network.
Transaction querying
Allowed users to look up transaction hashes to inspect ADA amounts, fees, and confirmations.
Address ledger monitoring
Indexed public addresses to track historic inflows, outflows, and current ADA balances.
User reviews
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FAQ
Who founded Seiza?
Seiza was launched by EMURGO, led by founder and chief executive officer Ken Kodama, alongside executives such as Florian Bohnert and Shunsuke Murasaki.
Is Seiza still active?
No, Seiza is shut down. The official domain seiza.com is inactive and listed for sale.
Which blockchain did Seiza cover?
Seiza was developed as an explorer and analytics tool specifically for the Cardano blockchain.
What fees did Seiza charge?
Seiza is shut down and no longer operational.
Does Seiza have an active API?
No, Seiza does not offer an active API. All associated services and domains have been taken offline.
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