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    Thursday, February 21, 2019

    Home Unlabelled Ethereum Ethereum Foundation Grants Program Wave 5

    Ethereum Ethereum Foundation Grants Program Wave 5

    February 21, 2019

    Ethereum Ethereum Foundation Grants Program Wave 5

    Ethereum Foundation Grants Program Wave 5

    Posted: 21 Feb 2019 08:11 AM PST

    Ethereum-based Cyberpunk RPG - Neon District Gameplay Demo First Look

    Posted: 21 Feb 2019 10:24 AM PST

    The Burner Wallet/BuffiDai wallet at ETHDenver was a huge success. Austin Griffith its creator breaks down what he learned after deploying it live to 1000s of hungry hackers.

    Posted: 21 Feb 2019 10:47 AM PST

    How to get started with Buidler, the new Ethereum dev tool

    Posted: 21 Feb 2019 12:50 PM PST

    Monoplasma by Henri Pihkala of Streamr

    Posted: 21 Feb 2019 02:14 PM PST

    ETHDenver Recap

    Posted: 21 Feb 2019 10:50 AM PST

    Idea for proof-of-storage

    Posted: 21 Feb 2019 03:21 AM PST

    This proof-of-storage is based on a simple asymmetric signature function signature(segment), and a symmetric key one-way function (not a hash function, rather one that produces a ciphertext with the same file size as the preimage. )

    The proof-of-storage is based on that every server stores a unique encrypted version of the file, without access to symmetric key. The file is encrypted with a symmetric key one-way function.

    The client can choose exactly how many copies of the file they want to store, by paying for exactly n number of encrypted versions of the file (only client has access to symmetric keys. )

    Periodically, for example each month, the client publishes private keys that servers use to generate "proof-of-storage", signatures of the file they host. The signature (proof-of-storage) uploaded to the smart contract decrypts the segment of the encrypted file that was used to generate signature (new segment each month incentivizes server to store whole encrypted file), and validates the proof-of-storage if proofOfStorage == signature(segment). The signature is also used to select the next segment.

    A commit-reveal scheme is used to prevent stealing of proof-of-storage signatures.

    Economic incentives

    The client deposits a payment to the smart contract. The server also deposits a sum equal to the payment. The server also commits signature(segment), with a private key they choose. This prevents the client from claiming the reward (only they and the server have knowledge to claim reward. ) Removes uncertainty. The server uploads that private key together with their proof-of-storage, and both are validated. If verified, payment is automatic.

    submitted by /u/johanngr
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    Towards Production VDFs - Justin Drake

    Posted: 21 Feb 2019 08:34 PM PST

    ENS is a 2019 Season Partner for ETHGlobal with special prizes, promoting use of ENS everywhere a user would otherwise see an Ethereum address or hash

    Posted: 21 Feb 2019 02:11 PM PST

    Huobi Global will support the ($ETH) #Constantinople/ #Petersburg hard fork.

    Posted: 21 Feb 2019 05:07 AM PST

    Semaphore RLN, rate limiting nullifier for spam prevention in anonymous p2p setting - zk-s[nt]arks [ethresear.ch]

    Posted: 21 Feb 2019 10:36 AM PST

    Is there such a thing as a f2p game on Ethereum?

    Posted: 21 Feb 2019 12:01 PM PST

    Forgive my ignorance if there already is one, but I didn't see any in a few minutes of searching.

    submitted by /u/lancer611
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    OP fell for the fake Elon Musk ETH giveaway on Twitter. Be careful out there folks!

    Posted: 21 Feb 2019 04:44 PM PST

    Thank you for your support, r/ethereum

    Posted: 21 Feb 2019 02:26 PM PST

    Monoplasma introduced by Henri Pihkala

    Posted: 21 Feb 2019 02:58 PM PST

    Idea to measure global storage capacity and generate proof-of-capacity

    Posted: 21 Feb 2019 03:29 AM PST

    In simultaneous global events, exactly at the same time, for 30 minutes or so, a global event on Earth to measure proof-of-capacity. Based on the total capacity each entity generates, rewarded with BIT tokens. These are used to distribute storage, higher probability of being selected as host based on share of BIT (prevents a single entity from storing a million copies of same file. )

    A bit like proof-of-work except does not go on all the time, only a brief time period to measure relative proof-of-capacity.

    submitted by /u/johanngr
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    Mysterium Network - Updates: WireGuard® VPN protocol integration, Branding & Events

    Posted: 21 Feb 2019 02:07 PM PST

    One of the best crypto-asset conferences lately

    Posted: 21 Feb 2019 11:49 AM PST

    Yesterday, the NFT.NYC Conference kicked off in New York. There were almost too many talks to attend, and over 60 speakers devoted their time to a range of topics, both in panel discussions and in individual talks.

    ​

    Jeremy Gardner (Ausum) argued that NFTs will be the catalyst for mass crypto adoption, and appealed to developers, especially those in the gaming industry, to solve the interoperability problem (spoiler: the 0xcert Framework already does that).

    Lou Kerner (CryptoOracle) claimed that FAMGA (a.k.a. Facebook, Apple, Microsoft, Google, Amazon) has actually no community, whereas the crypto does, which gives it a significant advantage.

    The graphic representation of the growth of the NFT market by Gauthier Zuppinger (Nonfungible.com) clearly showed the growth potential of NFTs. Transactions have been increasing which is obviously a positive signal for NFTs, especially considering the effects of the bear market.

    Cyrus Lohrasbpour, one of the first investors to OpenSea, recognized the potential of the artwork tokenized as NFTs since they hold characteristics similar to money and currency.

    Urban Osvald (0xcert) talked about academic credentials harnessing the power of NFTs, a seemingly less attractive topic, but important for showing the variety of NFT applications and the potential for new business models.

    William Entriken, the lead author of the ERC-721 standard, held a workshop helping beginner developers explore and build effective and powerful smart contracts using NFTs.

    ​

    Overall, over 400 non-fungible aficionados in the audience and more than 60 speakers were taken very good care of made the event a boiling pot of non-fungible topics, minds, and projects.

    ​

    We believe it's only appropriate to honor the effort and hard work of the event organizers. Every step of the event, they really showed their dedication and attention to details for both the attendees and the speakers.

    ​

    Once again, a big thank you to the NFT.NYC Conference and Mr. Jodee Rich for the invite and their warm hospitality. Without a doubt, it was one of the greatest NFT events we've ever attended.

    submitted by /u/0xcert
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    A message to mobile wallet and dapp browser developers

    Posted: 21 Feb 2019 07:09 AM PST

    If you're not serving your app through F-droid, or you're not serving PGP-signed APKs on your website, I'll assume you think I'm a naive person and simply won't touch your project.

    This especially applies if not the whole of the code base is openly available.

    The few big projects who made me post this will know who they are, but this is also an everyday experience in the long tail.

    submitted by /u/PolarOne
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    geth log fields

    Posted: 21 Feb 2019 04:09 AM PST

    Anyone know if there is a documented dictionary of field names/descriptions for the log output of geth?

    submitted by /u/onicrom
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    Why create2? – Medium

    Posted: 21 Feb 2019 03:26 PM PST

    Justin Drake didn't really answer the question about Eth 2.0 regarding a dishonest validator building a parallel chain in which she owns enough stake to finalize blocks.

    Posted: 21 Feb 2019 12:48 PM PST

    Hard Fork

    Posted: 21 Feb 2019 11:14 AM PST

    Is there a layman's TLDR on that this is? I've tried to read a few articles which were either click bait or drama about CEOs. Thank you!

    submitted by /u/DishesDoThemNow
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