ERC'S
Blockchain 101
DEFI
ETHEREUM
100
This ERC allows for end-users gas fees to be sponsored, social recovery of crypto wallets, uses biometrics for security, and the ability to store a wallet's private keys on a smartphone.
What is ERC-4337?
100
What is the security risk in a blockchain network where a single entity controls the majority of the network's mining power?
What is a 51% attack?
100
This worldwide group facilitates a platform for women to learn about DeFi protocols and systems sponsored by ConsenSys.
What is SheFi?
100
Each consensus layer upgrade is given the name of a (__).
A Star! 
*Altair
*Bellatrix
*Capella
*Deneb
*Electra
200
(___) is a security token standard designed for tokenizing assets. It introduces partitioning, enabling the implementation of complex ownership rules and restrictions.
ERC-1400
200
In the context of smart contracts, what security risk is associated with poorly managed arithmetic operations, such as integer overflow or underflow?
What is insecure arithmetic?
200
This capital investment tool is said to be more secure than ICOs as well as SEC compliant, and can represent a share of a company.
Security Token Offerings
200
This Ethereum hard fork, was activated in 2019, aimed to improve Ethereum's efficiency and prepare for Ethereum 2.0.
What is Istanbul?
300
This ERC focuses on enabling Ethereum wallets to sign recurring payment smart contracts, as well as providing an accessible user interface for managing subscriptions on the blockchain
What is ERC-1337?
300
What term describes the intentional act of causing disruption or grief to others in a blockchain network, often done to exploit vulnerabilities or gain an advantage?
What is griefing?
300
What unique feature of DeFi allows users to borrow and repay a loan within the same transaction without collateral?
What are flash loans?
300
A (__) on a blockchain/DLT network is any instance when the (__) is modified as part of a transaction.
What is a state?
400
This ERC outlines rules for creating and managing burning tokens, including how they can be burned and how the token’s total supply can be determined.
What is ERC-4626?
400
In the context of blockchain, what is the term for forcefully pushing data into a smart contract, potentially causing it to execute unintended actions.
What is force feeding?
400
This innovative protocol revolutionized the way users trade cryptocurrencies by employing smart contracts to create liquidity pools, allowing for seamless peer-to-peer transactions.
What are Automated Market Makers (AMM)?
400
This (__) vulnerability was exploited in the 2016 DAO hack, leading to Ethereum's hard fork?
What is a Reentrancy attack?
500
This ERC is an extension to the ERC-721 standard that adds the ability for non-fungible tokens to own other non-fungible tokens and ERC-20 tokens.
What is ERC-998?
500
In the year (__), Javascript was created.
What is 1995?
500
This term describes the practice of using borrowed funds in DeFi to yield farm and enhance returns.
What is Leveraged Yield Farming?
500
The Byzantium hard fork consisted of how many (#) Ethereum Improvement Protocols (EIPs) designed to improve Ethereum's privacy, scalability, and security attributes.
What is "9"!
1.EIP 100
2.EIP 140
3.EIP 196
4.EIP 197
5.EIP 198
6.EIP 211
7.EIP 214
8.EIP 649
9.EIP 658