# Ecosystem

### What is a <mark style="color:purple;">Blockchain Protocol</mark>? <a href="#what-is-a-blockchain-protocol" id="what-is-a-blockchain-protocol"></a>

A blockchain is a distributed ledger that records transactions that happen within its network, but there are different ways to control and operate these ledgers. A protocol is the set of rules that define how the network behaves. Some may choose to be decentralized, rely on a certain hashing algorithm, build their governance upon a consensus mechanism, etc. Each one of them has its own native cryptocurrency.

Cryptum offers you some of the top public and 1 permissioned blockchain protocols.&#x20;

Check the list of protocols and their main features within the Cryptum ecosystem:

* <img src="/files/KOuBguebteweCYoS7ywG" alt="" data-size="line">  Bitcoin
* <img src="/files/KxS6NMhF8ITtf66w36jQ" alt="" data-size="line">   Ethereum
* <img src="/files/qcaPS8REJzdAzbxGXtXf" alt="" data-size="line"> Celo
* <img src="/files/InnylOBAkL8tUOqQpqcf" alt="" data-size="line"> BNB Chain
* <img src="/files/YRY2AI9ro0rI9BtVhUCi" alt="" data-size="line"> Solana
* <img src="/files/gyhJtiwMRNw6zsI4roC1" alt="" data-size="line"> Stellar
* <img src="/files/Ea2uwvHS70RpvjT3OICi" alt="" data-size="line"> XRP Ledger
* <img src="/files/LJWfPIKXsDvz62bOnlYP" alt="" data-size="line"> Cardano
* <img src="/files/Q80gEm5lpjJifCN1UW1N" alt="" data-size="line"> Hathor
* <img src="/files/TsIUBLmC8m4LUnwQRVMJ" alt="" data-size="line"> Avalanche (C-Chain)
* <img src="/files/dWzdHrstPpO6tOacy7uH" alt="" data-size="line"> Polygon (Matic)
* <img src="/files/CL2F5OTQdE7LWeSWsiEf" alt="" data-size="line"> Stratus
* <img src="/files/KyV5DqdMb0eqHqyghaL9" alt="" data-size="line"> Hyperledger Besu

### Which blockchain should you choose? <a href="#which-blockchain-should-you-choose" id="which-blockchain-should-you-choose"></a>

Each blockchain has its own specification and use-cases. If the main feature you’re looking for is the transfer of value through a true and tested network then Bitcoin might be a good fit for you. For a smart-contract platform with widespread adoption, you can choose Ethereum. A focus on mobile-first experience might mean Celo is the way to go. If scalability is important Solana poses itself as a viable option with its thousands of transactions per second throughput.

There is a lot of common ground between the protocols, so many of the features you might find in a certain protocol might also be present in others. For instance: **Ethereum**, **Celo**, **Binance Smart Chain**, **Solana**, **Avalanche** (**C-Chain**)**, Stratus, Hyperledger Besu** all have support for smart contracts. In fact, many of them are cross-compatible since they were built upon the same EVM (Ethereum Virtual Machine) runtime.

Some things to keep in mind when choosing a protocol are transaction fees, smart contract support, market value, adoption, decentralization level, transaction finality time, governance model, eco-friendliness, and sustainability.

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