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    Ethereum Validator security. Some thoughts...

    September 16, 2020

    Ethereum Validator security. Some thoughts...

    Validator security. Some thoughts...

    Posted: 16 Sep 2020 01:07 PM PDT

    In advance of the launch of the ETH2.0 beacon chain, I think it would be incredibly helpful for some of the sysadmins in the Ethereum community to post some best practices on validator security (hardware and cloud). Given that it is likely that there will be many enthusiasts staking in the first few months and that most will not be security experts, having a few articles on the topic would be great. And cryptographic key security is only one aspect. Best practices on firewall setup, physical security and cloud security would all be valuable I think.

    submitted by /u/celticwarrior72
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    ETH 2.0 is coming closer and closer with Medalla "dress rehearsal" Spadina

    Posted: 16 Sep 2020 01:55 AM PDT

    Having the benefit of hindsight, what—if included in (or omitted from) the early stages of the development of Ethereum—would have the largest impact today?

    Posted: 16 Sep 2020 03:28 PM PDT

    Serenity Phase 0 EIP by djrtwo · Pull Request #2982 · ethereum/EIPs · GitHub

    Posted: 15 Sep 2020 11:21 PM PDT

    Ethereum Co-Founder Joseph Lubin in LIVE Public Forum Podcast, today at 15:00 BST

    Posted: 16 Sep 2020 03:32 AM PDT

    API3 — Decentralized APIs for the Decentralized Web

    Posted: 16 Sep 2020 06:45 AM PDT

    EthHub Weekly #131: Gitcoin Grants round 7, Eth2 updates, DeFi Pulse index on Tokensets, new funding rounds and why a DeFi led bull market should be more sustainable

    Posted: 16 Sep 2020 01:09 PM PDT

    Stuck "Duplicate Nonce" (Need Help Please)

    Posted: 16 Sep 2020 07:45 PM PDT

    Is there anything I can do it get this transaction unstuck?

    https://etherscan.io/tx/0xedf7d2291fea0d8283dda66763197a33b01b361c1719a443aeeb4af822b4824c

    I tried creating another transaction with the same Nonce (2x) and it just created duplicates!

    Please Help <3

    submitted by /u/dogchaser11
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    TEZOS becomes a favorite to power the Digital Euro!

    Posted: 16 Sep 2020 07:26 PM PDT

    Ethereum savings account

    Posted: 16 Sep 2020 01:48 AM PDT

    Hey all,

    I want to hold onto my Ethereum but would love to earn some interest. At the moment I have it in Binance savings account, are there any better options?

    Thank you

    submitted by /u/Electric5heep
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    Fork Defense Strategies in DeFi

    Posted: 16 Sep 2020 03:02 PM PDT

    Can Ethereum be used without smart contracts?

    Posted: 16 Sep 2020 03:00 PM PDT

    I know this sounds odd, but can Ethereum be used without contracts?

    This seems counter-intuitive, but here is my scenario: Groups where participation is permissionless, but all peers are governed with existing contracts, and have verified identity (IE: telecom companies physically peering with each other).

    In the telecom case, imagine route broadcasts. Each network has the networks they peer with - but they don't control who are peers of the peers. So the updates are permissionless, but not trustless.

    There are projects like Hyperledger - but AFAIK Hyperledger cannot handle the unknown peers of peers scenario. There is also distributed hash tables, but they are not as secure on their own.

    I wrote a journal paper on this idea, but I still get a lot of pushback on this type of use. Are there any gotchas that I miss? Can Ethereum be used in this format? If interested, the journal article is here, but only tangentially related to the original question: https://www.mdpi.com/1424-8220/20/18/5281

    submitted by /u/techphyre
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    How to get 1-Click Exposure to DeFi with the NEW DEFI PULSE INDEX FROM SETPROTOCOL

    Posted: 16 Sep 2020 06:52 AM PDT

    Transaction stuck for a week

    Posted: 16 Sep 2020 02:11 PM PDT

    ive had a couple stuck transactions before and they either sorted themselves out or some of the standard tricks i found on reddit worked, but this one seems stuck forever

    ​

    i had 0.5 eth left in my account and decided to spend 0.3 on a shitcoin, somehow i ended up with 2 of the same transaction, the first went through but the second got stuck(obviously it cant go through since i now have 0.2 in my account and its a 0.3 txn). etherscan says its dropped but still pending, and i cant change gas or anything since the pending txn is larger than my balance

    is there anything i can do?

    submitted by /u/wkacm02_m
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    Possible to cancel pending transaction by sending one with higher fee but not to self?

    Posted: 16 Sep 2020 01:44 PM PDT

    Read that pending transactions can be cancelled by sending self 0 Eth with a higher fee. However, would it also work if I send another transaction same as the pending but with a higher gas fee, especially if I can set the transaction nonce to that of the pending txn, so as to avoid the cost of sending self the 0 Eth transaction?

    Curious also why wallets allow users to set transaction nonce. Doesnt that expose to potential double spend if the recipients dont wait for confirmation?

    submitted by /u/nocturnien
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    Anyone ever just get lucky and find a block?

    Posted: 16 Sep 2020 02:10 AM PDT

    like without a crazy mining rig? is it possible to just have some luck?

    submitted by /u/bbqnacho
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    Interesting read?

    Posted: 16 Sep 2020 12:24 PM PDT

    �� Future of Node Ecosystems �� Featuring Althea Network, GanTree/Flex Dapps, The Graph, BlockDaemon, Parity Technologies, & Pocket Network | Diffusion Digital livestream by Outlier Ventures

    Posted: 16 Sep 2020 06:12 AM PDT

    Network whitepaper findings, token economics research and #DataUnions 2.0 – read the latest development news in the Streamr dev update!

    Posted: 15 Sep 2020 11:21 PM PDT

    How does Flash loans work?

    Posted: 16 Sep 2020 06:15 AM PDT

    I tracked a smart contract and it is making $60k a day just doing arbitrage on tokens trading in different dex. How does it work, is it hard to execute this on a technical stand point of view?

    submitted by /u/ksatoshi
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    Winkle – A Decentralised Checkpointing for Proof-of-Stake

    Posted: 16 Sep 2020 05:10 AM PDT
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