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Blockchain

75 challenges · Practitioner to Specialty
3 Easy1 Medium71 Hard
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All Blockchain challenges

Blockchain: what is blockchain

Easy Free +10 XP
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Blockchain: block

Easy Free +10 XP
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Blockchain: chain

Medium Free +15 XP
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Blockchain: immutable

Hard Free +20 XP
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Blockchain: decentralized

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Blockchain: node

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Blockchain: consensus

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Blockchain: pow

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Blockchain: pos

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Blockchain: mining

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Blockchain: nonce blockchain

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Blockchain: Linked records

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Blockchain: hash pointer

Hard Free +20 XP
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Blockchain: merkle tree

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Blockchain: merkle benefit

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Blockchain: genesis

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Blockchain: fork

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Blockchain: longest chain

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Blockchain: double spend

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Blockchain: 51 percent

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Blockchain: public key blockchain

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Blockchain: private key blockchain

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Blockchain: digital signature bc

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Blockchain: transaction

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Blockchain: utxo

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Blockchain: account model

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Blockchain: gas

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Blockchain: smart contract

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Blockchain: evm

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Blockchain: token

Hard Free +20 XP
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Blockchain: erc20

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Blockchain: erc721

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Blockchain: nft

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Blockchain: wallet

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Blockchain: cold wallet

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Blockchain: hot wallet

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Blockchain: seed phrase

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Blockchain: permissioned

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Blockchain: permissionless

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Blockchain: finality

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Blockchain: confirmation

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Blockchain: mempool

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Blockchain: difficulty adjust

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Blockchain: halving

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Blockchain: supply cap

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Blockchain: gas fee spike

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Blockchain: layer2

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Blockchain: rollup

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Blockchain: sidechain

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Blockchain: bridge

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Blockchain: oracle

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Blockchain: defi

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Blockchain: dex

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Blockchain: amm

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Blockchain: stablecoin

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Blockchain: staking reward

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Blockchain: slashing

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Blockchain: dao

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Blockchain: governance token

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Blockchain: gas optimization

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🥇 @malathi-shetty 1 solved