Smorgasbord: Blockchain & cryptocurrency index

Base layer protocols:

Base layer protocols are the peer-to-peer networks which form the basis of the Decentralized application (dApp) blockchainweb. These base protocols are typically blockchains with an associated cryptocurrency coin secured by a consensus protocol where participants in the network decide collectively on the addition of new blocks to the blockchain ledger.


Cryptocurrencies with the primary intention of a decentralized currency replacement to traditional fiat currencies by being a store of value, a unit of account, or a medium of exchange.

Smart contract platforms:

Platforms for decentralized applications allowing for the execution of code on the blockchain in the form of smart contracts. These platforms allow for more generalized logic to be coded on the blockchain enabling a broad range of web 3.0 decentralized applications.

Privacy currencies:

A specialized form of cryptocurrencies focused on maintaining the privacy and anonymity of individuals transaction with them.

Distributed ledgers (non blockchain)

A class of distributed ledgers whose structure does not rely blocks of transactions but rather other architectures like a directed acyclic graph. These alternate ledgers have different security, scalability, and consensus properties from blockchain technologies.

Permissioned ledgers:

Blockchains or distributed ledgers that require special access or permission to participate rather than being open to the public.

Blockchain Theory & Fundamentals:

Fundamental concepts related to blockchains.

Blockchain properties:

Properties of blockchains and cryptocurrency systems.


Components of blockchains.


Consensus algorithms, sybil control mechanisms, and other topics related to consensus mechanisms for establishing a consistent canonical agreement between network participants on the blockchain state.

Sybil control mechanisms

Consensus mechanisms:

Blockchain attack vectors:

Methods by which malicious actors can attempt to subvert or disrupt the intended functionality of blockchain protocols.


Infrastructure comprises the development stack for building decentralized applications. These are protocols and tools that may connect and support applications and other protocols in a variety of ways.


Interoperability protocols allow for communication of state, data, or value transfer between different blockchains.

File storage:

Store and retrieve files and data without relying on a trusted central authority.


Decentralized database projects.


Projects focusing on both on-chain and off-chain solutions for increasing blockchain transaction throughput.

Privacy and security:

Privacy and security projects for decentralized applications.

Smart contract developer tools:

Tools which help developers create and secure smart contract code.

Smart contract programming languages:

Programming languages that are specific to smart contracts i.e. contract-oriented programming languages.

Oracles & prediction markets:

Providing external data to decentralized systems.


Projects restructuring the way that institutions, political systems, and people govern and organize themselves using blockchain or decentralized technologies.


Personal identity secured using blockchain systems.

Decentralized organizations:

Projects with decentralized governance or providing support for managing organizations through decentralized governance.


Connecting decentralized systems into traditional legal frameworks.

Open Internet:

Projects working towards a more open and user controlled Internet.


Decentralized VPN services.

Value Exchange:

Projects creating marketplaces or frameworks for peer to peer value exchange without a centralized intermediary. Projects in these categories often have what are considered utility tokens, which represent future access to a service.


Advertising platforms connecting users, advertisers, and publishers directly without ad network intermediaries.


Protocols enabling the sharing and monetization of data resources.


Projects building decentralized marketplaces.

Mesh networking:

Projects working on decentralized technologies and mesh networks.


Decentralized social networks, communication tools, and social related applications built using blockchain technology. These projects employ a variety of differentiators from traditional social networks involving data privacy, monetary incentives, and more.

Content Monetization:

Projects working on decentralized content monetization platforms enabling content creators and content consumers to transaction directly without third party mediation.


Decentralized projects in which users provide computation in exchange for tokens.


Projects focusing on the redistribution, transmission, and retail of energy via decentralized systems.

Property & housing rental:

Decentralized property and housing rental.


Decentralized ride sharing.


Projects related to decentralized storage of genomic data and marketplaces for the exchange of genetic information.


The field of decentralized finance and cryptocurrency investments.

Centralized exchanges:

Centralized exchanges for cryptocurrencies trading.

Decentralized Exchanges (DEX) or non-custodial relayers

A decentralized cryptocurrency exchange is an exchange market that utilizes blockchain or another decentralized technology to enable peer to peer transfer of digital assets without reliance on a trusted third party to hold funds.


Services that help individuals earn in cryptocurrency, and help companies / HR pay salaries in cryptocurrencies:


Cryptocurrencies centered around real world payments.

Trading / market makers:

Tools and projects assisting the trading and exchange between cryptocurrencies.

Asset management platforms:

Platforms for managing cryptocurrency investments.


Wallets are the user interface for directly interacting with the blockchain to transfer and move cryptocurrencies. Both hardware and software are included.


Crypto hedge funds:

Cryptocurrency hedge funds are investment funds which pool capital from investors into a group of assets focusing entirely or partially on cryptocurrencies or other decentralized digital asset.

Credit & lending

Projects working on credit, risk, and lending.


Decentralized peer to peer insurance.

Security Tokens:

Platforms for issuing and exchanging tokenized securities.

Debit Cards:

Debit cards for spending cryptocurrencies.


Platforms to manage and launch blockchain crowdfunding projects.


Stablecoins are projects attempting to create decentralized cryptocurrencies with specific properties like low volatility and non reliance on centralized backing.

  • Reserve Protocol


Liquidity & accessibility:


Crypto-collectibles are digital collectibles, commonly using the ERC-721 non-fungible Ethereum token standard, recorded on a blockchain ledger.


Other types of cryptocurrency and blockchain related projects.


Decentralized gambling with provably fair odds.

Data authenticity and supply chain:

Securing data records on immutable ledger systems.

Virtual and augmented reality:

Projects using blockchain in combination with virtual or augmented reality.

Mobile hardware


Decentralized electronic medical records and other healthcare projects.


Companies consulting on blockchain and smart contract technologies.

Gaming & entertainment

Cryptocurrencies as video game virtual assets, or other projects related to entertainment and gaming.

Internet of Things

Decentralized projects aiming to link the Internet of things to decentralized blockchain technology.

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