With Kaleido, you match an enterprise-grade platform with pluggable tools to quickly build dApps on the Ethereum network.
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Ethereum is the foundational Layer 1 blockchain and the global standard for smart contracts, decentralized finance, and digital asset innovation.
Kaleido has deep roots in the Ethereum ecosystem, providing the industry’s most advanced platform for running Enterprise Ethereum instances (e.g. Besu) as well as managing nodes and assets on the public Mainnet. Kaleido has run 30,000+ Ethereum nodes and counting.
Ethereum is a public blockchain for smart contracts, the programs that run on-chain and power tokens, stablecoins and tokenized assets. Validators secure it through proof of stake, and fees are paid in ETH. Its Ethereum Virtual Machine (EVM) is also used by networks such as Polygon, Arbitrum and Base. Kaleido runs Ethereum nodes and private Ethereum networks for institutions.
Kaleido runs dedicated, fully synced Ethereum nodes for Mainnet and the Sepolia testnet with enterprise SLAs, and deploys private, permissioned Ethereum networks using Besu. On top of the nodes, Kaleido adds transaction management, smart contract APIs, custody and tokenization, so institutions can build on public or private Ethereum from one platform.
Public Ethereum Mainnet is open to anyone, secured by a large validator set and charges gas in ETH. Enterprise Ethereum runs the same EVM on a private, permissioned network, often built on Besu, where only approved members run nodes and see data. Kaleido supports both, and the same smart contracts and tools run on either.
Besu is an open-source Ethereum client hosted by LF Decentralized Trust. Kaleido is a core enterprise maintainer of Besu, with a dedicated maintainer team since 2023 that contributes features to the code base and brings customer feedback into the enterprise roadmap. Besu can run public Ethereum Mainnet nodes and private permissioned networks.
Kaleido offers both. Shared access runs through a bank of Ethereum nodes behind a load-balancing gateway, which keeps access consistent if a node goes down. Dedicated nodes serve workloads that need isolation or privileged operations, such as running a validator. Both come with monitoring, maintenance and Kaleido's enterprise SLAs.
Kaleido supports the main Ethereum token standards out of the box: ERC-20 for fungible tokens, ERC-721 and ERC-1155 for non-fungible and multi-token assets, and ERC-3643 and ERC-1400 for permissioned securities. Kaleido also supports any EVM-compatible smart contract: teams deploy their own contracts, and Kaleido generates a typed REST API from each contract's ABI. See Kaleido Tokenize.
Kaleido Custody holds ETH and Ethereum-based tokens such as USDC and USDT in wallets controlled by its key management service, with HSM support and policy-based multi-party approval for each transaction. The same custody layer covers other supported networks, so treasury teams manage Ethereum holdings next to Bitcoin, Solana and tokenized assets.
Institutions tokenize on Ethereum because much of the tokenized fund, bond and stablecoin market already lives there, its token standards are mature, and other EVM networks run the same contracts. The trade-offs are gas costs and public visibility of transactions, which teams address with layer 2s such as Arbitrum or a private Besu network.
