Today, we answer to Alberto. He asks: "Where can I find the famous title of The Times in Bitcoin blockchain? Is the page saved into the blockchain?" Nice shot Alberto. The title is written in the "genesis block" and it has been created on 3 January 2009. The is the first block of the blockchain. On the same day, we could read the same title on Times journal ". genesis block "Chancellor on brink of second bailout for banks It's a great title to show Bitcoin to the world! Yes you can find the title inside the blockchain, but not the entire page! Moreover you can find the title inside the coinbase transaction, in the genesis block, just in the block with height 0. In action! We know that the message is inside the genesis block, then we can explore the block with height 0 bitcoin-cli getblockhash 0 We can use the method to retrieve its hash. Now we can use the method in order to get more information. getblockhash getblock bitcoin-cli getblock d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f 000000000019 There is just one transaction inside tx array. Please get more information about it using getrawtransaction bitcoin-cli getrawtransaction a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b 4 2 Whops! We got an error! It's a very particular transaction. To get more information we can use method again, with param "2" in order to retrieve more data. getblockhash bitcoin-cli getblock d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f 000000000019 2 We can use the method xxd to the hex value to ASCII value. convert $ echo ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73 | xxd -r -p ??EThe Times /Jan/ Chancellor on brink second bailout banks% 04 03 2009 of for Unbelievable.The result is the Times's title with the date! During the lastest (11 may 2020, check my article!) the bitcoin community added another cool message! Retrieve the block. halving bitcoin-cli getblockhash 629999 After retrieve the hash, we can use the method. getblock bitcoin-cli getblock d656be18bb095db1b23bd797266b0ac3ba720b1962b1e 0000000000000000000 We can retrieve the coinbase. Remember, the is always the first transaction of the block. coinbase $ bitcoin-cli getrawtransaction aed3754889f65dff83504fd0a8b78e1b69fc22c5396c67df23b0e607bf4e0d67 |jq -r [ { : , : } ] 2 '.vin' "coinbase" "03ef9c0952f09f909f4e5954696d65732030392f4170722f3230323020576974682024322e335420496e6a656374696f6e2c20466564277320506c616e2046617220457863656564732032303038205265736375652020144d696e6564200500ba5e4800" "sequence" 0 We can convert again the hex value into ASCII. $ printf ef9c0952f09f909f4e5954696d65732030392f4170722f3230323020576974682024322e335420496e6a656374696f6e2c20466564277320506c616e2046617220457863656564732032303038205265736375652020144d696e6564200500ba5e4800 | xxd -r -p ? R🐟NYTimes /Apr/ With $ T Injection, Fed’s Plan Far Exceeds Rescue Mined ?^H 03 09 2020 2.3 2008 Aaaand here we are!!! Another amazing message! It's a clear message against the economic system! classic /Apr/ With $ T Injection, Fed’s Plan Far Exceeds Rescue Mined ?^H 09 2020 2.3 2008 We used #IPFS to save these pages! ––––– 🎥 Bitcoin in Action (YouTube) — 🐙 GitHub: https://bit.ly/2Lj3yeY ––– 📕 Bitcoin In Action – SegWit, Bitcoin Script e Smart Contracts (Amazon) 📕 Bitcoin In Action – SegWit, Bitcoin Script e Smart Contracts (pagamento in bitcoin) ––– 📒 Libro Bitcoin dalla teoria alla pratica (Amazon) 📒 Libro Bitcoin dalla teoria alla pratica (pagamento in bitcoin) 📒 Book Bitcoin from theory to practice (Amazon) 📒 Book Bitcoin from theory to practice (accept bitcoin) — 🎥 Video Corso Bitcoin dalla teoria alla pratica — 📙 Tascabile Bitcoin 199 domande (Amazon) 📙 Tascabile Bitcoin 199 domande (pagamento in bitcoin) 📙 Pocket Book Bitcoin 199 questions (Amazon) 📙 Pocket Book Bitcoin 199 questions (accept bitcoin) — ► ITA: , , , , , Twitter Facebook Medium Instagram Youtube GitHub ► ENG: , , , , , Twitter Facebook Medium Instagram Youtube GitHub Television isn’t a good idea (Radio Stations) Email isn’t a good idea (Post offices) Amazon isn’t a good idea (Retail stores) Bitcoin isn’t a good idea (Central banks) In crypto we trust
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