Kaspa treats blockchain history as something that can be cryptographically summarized rather than permanently downloaded and stored by every new participant. And that's the genius of Kaspa
Let's compare some famous blockchains with
$KAS :
#Bitcoin
βLaunched: January 2009
βNew nodes must verify 17 years of history
βRequires downloading hundreds of gigabytes of data
βFull verification can take days
βNodes can prune/delete old data locally after verification.
However, the network still depends on archive nodes that store the complete blockchain history.
Without archive nodes, new nodes could not independently verify Bitcoin from genesis.
#Ethereum
βIn July 2025, Ethereum allowed nodes to remove historical data from before September 2022.
βStorage savings per node:300β500 GB
βEthereum improved scalability through rollups.
βOld historical data still exists but is increasingly stored by:Large companies, File-sharing systems,
Specialized data providers
β Ethereum shifted the archival burden elsewhere rather than eliminating it.
#Solana
βTypical validator/node hardware in 2026:
β24 CPU cores
β256β512 GB RAM
βProfessional-grade SSDs
βHigh-speed internet
βSetup cost:$15,000β$50,000 before operation begins
βSolana achieves high throughput.
βhardware requirements are so demanding that complete verification is largely concentrated in data centers rather than home-operated nodes.
#Cardano
βProduces blocks roughly every 20 seconds.
Main Point
βUses a Bitcoin-like UTXO model with smart-contract extensions.
βMore predictable transaction model than Ethereum.
βStill relies on historical blockchain data for complete verification, though newer bootstrap methods reduce sync requirements.
Enters the dragon!
#Kaspa
β
Produces 10 blocks per second
β
Automatically prunes transaction history older than approximately 30 hours
β
Genesis date : 2021
β
Kaspa uses a different synchronization model:
β
Every block contains a MuHash fingerprint (a cryptographic commitment to the current UTXO set).
β
New nodes:Download a proof chain back to genesis.
β
Download the current coin/UTXO set.
β
Verify it against the fingerprint embedded in blocks.
β
If the fingerprint matches, the node can verify the network state without downloading years of transaction history.
β
Node synchronization in minutes
β
Verification on a normal home computer
β
No requirement for archive nodes during the synchronization process
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kaspa:qr8ndam4swa9ftnz49jywxgch433haxaj9n5f2sj48qrz030eq5h7j4zlwdps