Bitstaub

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In diesem Podcast wollen wir die Technik hinter Bitcoin beleuchten, und über die neuesten Entwicklungen berichten.

Dirk Jäckel


    • Apr 25, 2018 LATEST EPISODE
    • infrequent NEW EPISODES
    • 1h 36m AVG DURATION
    • 30 EPISODES


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    Latest episodes from Bitstaub

    BS030 – Lightning Network

    Play Episode Listen Later Apr 25, 2018


    Graphische Übersicht welche Kaäle grade offen sind https://lnmainnet.gaben.win/ Deterministische Signaturen: https://tools.ietf.org/html/rfc6979 Japanische Lightning Implementation: https://github.com/nayutaco/ptarmigan Erstes Bier der Welt mit Lightning bezahlt: https://bitcoinblog.de/2017/04/03/berliner-kneipe-room77-erstes-bier-der-welt-mit-lightning-transaktion-bezahlt/ BIP 37 Privatsphäre: https://eprint.iacr.org/2014/763.pdf BIP 37 Denial of Service: https://www.reddit.com/r/Bitcoin/comments/3hjak7/the_hard_work_of_core_devs_not_xt_makes_bitcoin/cu9xntf/ Atomic Multi-Path Payments over Lightning: https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-February/000993.html Pay-To-Publish-Key-Hash sicherer weil SHA-256 Kvantenresistant: https://bitcoin.stackexchange.com/a/49163/3347 Lightning auf MimbleWimble: https://lists.launchpad.net/mimblewimble/msg00086.html Gute Lightning Einführung: https://rusty.ozlabs.org/?p=450 Channel Factories (Layer auf Lightning drauf): https://www.tik.ee.ethz.ch/file/a20a865ce40d40c8f942cf206a7cba96/Scalable_Funding_Of_Blockchain_Micropayment_Networks%20(1).pdf Lightning wird durch Bellare-Neven viel besser: https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-March/001075.html MuSig (Bellare-Neven Implementation) O(1)-Größe Signature Aggregation (Addieren von Signaturen): https://blockstream.com/2018/01/23/musig-key-aggregation-schnorr-signatures.html C-lightning: https://github.com/ElementsProject/lightning Lnd (Funktioniert auch ohne Fullnode, mit Client-Side Filters (BIP158)): https://github.com/lightningnetwork/lnd Bitcoin Lightning Hackday #1 (Berlin) Meetup: https://www.meetup.com/Bitcoin-Lab-Berlin/events/249392922/ Größe von BIP158 Filtren: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-June/014474.html BIP 158 (Client Side Filters): https://github.com/bitcoin/bips/blob/master/bip-0158.mediawiki#Appendix_C_Test_Vectors WatchTower und Lightning 1.1: https://www.youtube.com/watch?v=V3f4yYVCxpk&t=15m56s Grin-Einführung (MimbleWimble Implementation mit Blockchain die kleiner werden kann): https://github.com/mimblewimble/grin/blob/master/doc/grin4bitcoiners.md

    BS029 – 2x or no2x?

    Play Episode Listen Later Oct 23, 2017


    BS029 - 2x or no2x?

    BS028 – SHA2017

    Play Episode Listen Later Aug 10, 2017


    Zu Gast: @rootzoll SHA2017 https://sha2017.org/ Cryptowars 2.0: Lessons from the past, for the present (Phil Zimmermann) https://media.ccc.de/v/SHA2017-336-cryptowars_2_0_lessons_from_the_past_for_the_present Blockchains for a better world https://media.ccc.de/v/SHA2017-342-blockchains_for_a_better_world Poflove https://twitter.com/Poflove4u SHA badge https://media.ccc.de/v/SHA2017-51-sha2017_badge Kartent http://kartent.com/ Bitcoinsofa Segwit lock in Bitcoin Cash https://www.bitcoincash.org/ Bitcoin ABC https://www.bitcoinabc.org/

    BS027 – Scaling Bitcoin

    Play Episode Listen Later Jul 4, 2017 62:39


    Scaling: What’s new and noteworthy SegWit Emergent Consensus (BU) SegWit User Activated Soft Fork (UASF), BIP-148 https://github.com/bitcoin/bips/blob/master/bip-0148.mediawiki SegWit Miner Activated Soft Fork (MASF), BIP-91 https://github.com/bitcoin/bips/blob/master/bip-0091.mediawiki SegWit2X New York Agreement (nya) https://medium.com/@DCGco/bitcoin-scaling-agreement-at-consensus-2017-133521fe9a77 https://lists.linuxfoundation.org/pipermail/bitcoin-segwit2x/2017-July/000068.htm Bech32 Bitcoinj Lightning wallet: lnwallet, Demo: https://www.youtube.com/watch?v=yNFfUfyL2xE Bitcoin unicode symbol (Unicode 10.0) Walleth für Android (Rinkeby) https://play.google.com/store/apps/details?id=org.walleth

    BS026 – zkSNARKs

    Play Episode Listen Later Dec 5, 2016 106:38


    Zu Gast: Christian Reitwiessner @ethchris https://blog.ethereum.org/2016/12/05/zksnarks-in-a-nutshell/ Succinct Non interactive ARguments of Knowledge Verifikation weniger aufwändig als Berechnung selbst Common reference String Argument versus Beweis Public verifier Designated verifier Zero Knowledge Beispiel Graphfärbbarkeit (3 Farben) Prover hat Karte (bzw nicht-planaren Graphen) und behauptet, sie ist 3-färbbar P = NP? https://de.wikipedia.org/wiki/P-NP-Problem P: Deterministisch in Polynomialzeit lösbar (n^3 z.B.) NP: Gegebene Lösung in Polynomialzeit verifizierbar Quadratic Span Program / Quadratic Arithmetic Polynomial Trusted Setup Homomorph (Fully) - Pairing-Funktion: einfach multiplikativ homomorph passt zu einmaliger polynom-multiplikation Buch: “Complexity Theory a modern approach” http://theory.cs.princeton.edu/complexity/ PCP-Theorem https://de.wikipedia.org/wiki/PCP-Theorem Alessandro Chiesa (SF Ethereum Meetup) https://www.youtube.com/watch?v=g-HhDyXPWZc

    BS025 – Zcash

    Play Episode Listen Later Oct 26, 2016


    https://z.cash Zero Knowledge Proofs Höhlenbeispiel https://de.wikipedia.org/wiki/Zero-Knowledge-Beweis#Klassisches_Beispiel zkSNARKs Only very small interaction Epicenter Bitcoin - Eli Ben-Sasson - Zero Knowledge Proofs https://epicenter.tv/episode/116/ EB122 – Zooko Wilcox: Zcash - An Open Financial System With Privacy https://epicenter.tv/episode/122/ Slack invite https://inviteme.z.cash/ Trusted Setup Das Geheimnis muss nach setup zerstört werden Kann aber bei der Erstellung über mehrere Personen verteilt werden, und nur eine muss vertrauenswürdig handeln, um die Integrität zu gewährleisten Mining POW - Equihash Founder’s Fee (10% über 4 Jahre) CPU 700MB Ram GPU-Miner? Ansteigender block reward Mainnet startet planmässig am 28.10.2016 Libsnark https://github.com/scipr-lab/libsnark ** This code is a research-quality proof of concept, and has not yet undergone extensive review or testing. It is thus not suitable, as is, for use in critical or production systems. ** Version für Smartphones? Proofs erstellen dauert sehr lange und erfordert sehr viel Rechenleistung Trusted setup ist zwischen 900;B und 2GB gross Deterministische Builds Docker images to run miner on macOS Ethereum Devcon2 Video-Aufzeichnungen (ungeschnitten) http://list.youku.com/albumlist/show?id=28368456&ascending=1&page=1 Geth in prcoess Bitcoin Scaling Bitcoin Freedom Cafe Roger Ver? Flexible Transactions Gavin und Andreas schreiben ein Buch über Ethereum

    BS024 – Bitsquare

    Play Episode Listen Later Aug 31, 2016 96:50


    Studiogast: Marc Bitsquare SEPA rückgängig machen Page Signer (TLS notary) https://bitsquare.io/contribute/

    bitsquare
    BS023 – Lightning Network

    Play Episode Listen Later Jun 26, 2016 96:14


    BS023 - Lightning Network

    BS022 – Consensus by Bet

    Play Episode Listen Later May 12, 2016 103:12


    Vorstellung: Christian Solidity Ethereum Alarmclock BTCRelay Proof of stake Consensus by bet Swarm (Berlin Meetup am 25.5.2016) Whisper

    BS021 – Proof of stake

    Play Episode Listen Later Apr 7, 2016 103:20


    Proof of stake Varianten https://en.wikipedia.org/wiki/Proof-of-stake Security-deposit based security and authentication https://blog.ethereum.org/2015/08/01/introducing-casper-friendly-ghost/ Casper resources https://souptacular.gitbooks.io/ethereum-tutorials-and-tips-by-hudson/content/proof-of-stake_resources.html On Stake SHA256(prevhash + address + timestamp) “users may be unwilling to sign anything if there are two alternatives of a block at a given height” https://blog.ethereum.org/2014/11/25/proof-stake-learned-love-weak-subjectivity/ Casper, “the friendly GHOST” https://blog.ethereum.org/2015/08/01/introducing-casper-friendly-ghost/ Nothing at stake attack Long-Range Attack Byzantine fault tolerance https://en.wikipedia.org/wiki/Byzantine_fault_tolerance Bitcoins Untergang Statoshi.info http://statoshi.info/dashboard/db/transactions BitcoinJ 0.14 kommt demnächst (mit bessere Fee-Berechnung) Andreas Antonopoulous beim Blockchain Meetup Berlin http://www.meetup.com/Blockchain-Meetup-Berlin/events/229025415/ https://www.youtube.com/watch?v=d0hxWC7sP2k http://bitcoinclock.com/ Bitstamp & Deutsche Bank Mycelium Local-Trader

    BS020 – Vorsicht mit Copy & Paste

    Play Episode Listen Later Feb 22, 2016


    Bitcoin Earns Reputation for Poor Payments Standards Participation http://www.coindesk.com/bitcoin-bad-reputation-payments-standards-w3c/ Satoshi Pay https://satoshipay.io/ Ethereum Pool Mining (GPU-Vergleich) http://www.mininghwcomparison.com/list/amd/index.php?algo=eth eth_ListTransactions https://github.com/ethereum/go-ethereum/issues/1897 Blockchain Meetup http://www.meetup.com/Blockchain-Meetup-Berlin/ Coursera Bitcoin Course Textbook available for download https://freedom-to-tinker.com/blog/randomwalker/the-princeton-bitcoin-textbook-is-now-freely-available/ Bitcoin block propagation with IBLT https://gist.github.com/gavinandresen/e20c3b5a1d4b97f79ac2 http://popeller.io/index.php/2015/10/09/bitcoin-block-propagation-with-iblt-infographic/ The resolution of the Bitcoin experiment https://medium.com/@octskyward/the-resolution-of-the-bitcoin-experiment-dabb30201f7#.dotuvk2zf

    BS019 – Segregated Witness

    Play Episode Listen Later Jan 12, 2016 70:11


    BS019 - Segregated Witness

    BS018 – Bitcoin Universität

    Play Episode Listen Later Sep 29, 2015 76:21


    Die Soundqualität is diesmal unterirdisch, weil ich aus Verseehen mit dem Laptopmikro aufgezeichnet haben. Ich gelobe Besserung! Coursera Bitcoin Kurs https://www.coursera.org/course/bitcointech Merkle trees Serial micropayments mit multisig und locktime Fair multi-player lottery mit multisig Relay double spends Bandbreitenlimitierung peak / average Hard fork versus soft fork revisited Secret sharing k of n (Meine Bemerkungen dazu waren leider total falsch. Lest Euch lieber den Wikipediaartikel durch) https://en.wikipedia.org/wiki/Shamir%27s_Secret_Sharing Shamir secret sharing (DP5) https://media.ccc.de/browse/congress/2014/31c3_-_6140_-_en_-_saal_1_-_201412291715_-_dp5_pir_for_privacy-preserving_presence_-_ian_goldberg_-_george_danezis_-_nikita_borisov.html#video Mike Hearn

    BS017 – Angriff auf Bitcoin

    Play Episode Listen Later Aug 30, 2015 101:42


    BS017 - Angriff auf Bitcoin

    BS016 – Forks

    Play Episode Listen Later Jul 6, 2015 70:17


    BS016 - Forks

    BS015 – Blockgrössen

    Play Episode Listen Later Jun 9, 2015 67:50


    Schlechte Zufallszahlen bei blockchain.info / Blockgrössendebatte / Was ist neu in Bitcoin Wallet? / Was ist neu in BitcoinJ? / Integration-Android

    blockgr
    BS014 – Pruning Bitcoin

    Play Episode Listen Later May 1, 2015 67:35


    BS014 - Pruning Bitcoin

    BS013 – Poolkannibalisierung

    Play Episode Listen Later Mar 17, 2015 128:26


    BS013 - Poolkannibalisierung

    BS012 – Von meinem Po Geld abgebucht

    Play Episode Listen Later Feb 26, 2015


    BS012 - Von meinem Po Geld abgebucht

    BS011 – Threshold signatures

    Play Episode Listen Later Feb 3, 2015


    BS011 - Threshold signatures

    BS010 – Ethereum im Detail

    Play Episode Listen Later Nov 25, 2014


    BS010 - Ethereum im Detail

    BS009 – Bitcoin & Co

    Play Episode Listen Later Oct 27, 2014


    SPD Fraktion läd zu Bitcoin & Co Regulierung von FIAT-Übergängen BitPay Lunch & Dinner Payment request bekommen bessere Memos Delegation fuer Payment requests X509-certificates Bitfilm Festival http://www.kunsthalle.com/berlin/program/bitfilm-festival 37coins Bitcoin über SMS https://www.37coins.com/ Silk Road (Ross Ulbricht) Bust Sidechains explained http://gendal.wordpress.com/2014/10/26/a-simple-explanation-of-bitcoin-sidechains/ http://www.blockstream.com/sidechains.pdf Ethereum - Whisper https://github.com/ethereum/cpp-ethereum/wiki/Whisper Neue Bitcoin Wallet version Bitcoinj 0.12 released Orchid für Tor-Support https://subgraph.com/orchid/index.en.html Android Device-Verschlüsselung

    BS008 – Ethereum

    Play Episode Listen Later Sep 29, 2014 138:20


    BS008 - Ethereum

    BS007 – Invertible Bloom Lookup Tables.

    Play Episode Listen Later Aug 25, 2014 114:39


    BS007 - Invertible Bloom Lookup Tables.

    BS006 – Regulierungen

    Play Episode Listen Later Jul 28, 2014 111:39


    BS006 - Regulierungen

    BS005 – Mining

    Play Episode Listen Later Jun 30, 2014 130:15


    BS005 - Mining

    BS004 – Satoshi

    Play Episode Listen Later May 27, 2014 107:36


    BS004 - Satoshi

    BS003 – HD Wallets

    Play Episode Listen Later Apr 29, 2014 85:05


    BS003 - HD Wallets

    BS002 – SPV

    Play Episode Listen Later Mar 25, 2014 104:42


    BS002 - SPV

    BS001 – Malleability

    Play Episode Listen Later Feb 28, 2014 91:58


    BS001 - Malleability

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