Visualizations and tools

• crypto 51 (51% Attack Cost for PoW coins)
• txstreet (live transactions/blocks/mempool visualization for different chains)
• money-movers.info (transaction volume comparison)
• crypto engineer (mind maps of crypto & finance Twitter threads)
• monospace.live (Bitcoin block visualizations)
• Fork.lol (watch BTC vs. BCH)
• Flippening info (Bitcoin vs. Ethereum)
• Revoke.cash (give and remove permissions to DApps)
• Delegate (link wallets safely)
• keys.lol (Bitcoin and Ethereum private key search tool)

Analytics and stats

• stablecoins.wtf (stablecoin stats)
• LunarCrush (crypto and NFT analytics)
• CryptoMiso (Github activity)
• Fiatleak (watch liquidity)
• Coin360 (market sentiment page)
• Glassnode studio (charts and stats)
• Chainlist (EVM-powered chains)
• Vestlab (token vesting schedules)
• The Block (crypto charts and data)
• Metrika (monitor blockchain communities)
• L2beat (Ethereum layer 2 stats)
• orbiter (metrics for different L2s and the dapps)
• Grow the pie (Ethereum Layer2 analytics)
• Nansen (on-chain data tool)
• Parsec (explorer and dashboards)
• Crypto Quant (on-chain analytics graphs)

Ethereum ecosystem stats

• ultrasound.money (Ethereum supply stats)
• Eth burned (Ethereum supply stats)
• eth stats (Ethereum supply stats)
• Watch the burn (Ethereum burning info)
• beaconcha.in explorer (Ethereum mainnet explorer)
• Etherchain (Ethereum network charts)
• Ethernodes (Ethereum mainnet statistics)
• Clientdiversity (Ethereum client statistics)
• Execution Diversity (Ethereum Execution Client Diversity)
• Supermajority info (Ethereum client diversity page)
• Ethstaker (community for Ethereum stakers)
• Project sunshine (info about health of Ethereum's decentralization)
• Eth2 nodewatch (Ethereum validator info)
• Galaxy Ethereum Core Developers Calls (writeup of Ethereum calls)

Learn on-chain analytics

• Mastering Onchain Analytics (online tutorials to query on-chain data with SQL)
• Crypto Data Providers (spreadsheet with blockchain analytics tools)
• Dune analytics (SQL queries for on-chain data and create dashboards)
• Basic Wizard Guide to Dune SQL and Ethereum Data Analytics (article by @Andrew Hong)
• Byteplorers Community (Dune-centered on-chain analytics community)
• Flipside (query on-chain data and visualize in charts)
• Metrics DAO Blockchain Analytics Course (learn basics on querying with Flipside)
• Analyzing with Flipside App (intro to Flipside)
• Inddigo (Ethereum SQL dashboards)
• Web3 SQL weekly (SQL challenge)
• Covalent Data Alchemist bootcamp (learn querying on-chain data on Covalent)

Other resources