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Litecoin Core v0.15.1 Release

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Adrian Gallagher

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We are pleased to release Litecoin Core 0.15.1 release. This is a new minor version release, including new features, various bug fixes and performance improvements, as well as updated translations. It is recommended for all users to upgrade to this version.

A number of changes to the way Litecoin Core deals with peer connections and invalid blocks have been made, as a safety precaution against blockchain forks and misbehaving peers.

  • Unrequested blocks with less work than the minimum-chain-work are now no longer processed even if they have more work than the tip (a potential issue during IBD where the tip may have low-work). This prevents peers wasting the resources of a node.
  • Peers which provide a chain with less work than the minimum-chain-work during IBD will now be disconnected.
  • For a given outbound peer, we now check whether their best known block has at least as much work as our tip. If it doesn’t, and if we still haven’t heard about a block with sufficient work after a 20 minute timeout, then we send a single getheaders message, and wait 2 more minutes. If after two minutes their best known block has insufficient work, we disconnect that peer. We protect 4 of our outbound peers from being disconnected by this logic to prevent excessive network topology changes as a result of this algorithm, while still ensuring that we have a reasonable number of nodes not known to be on bogus chains.
  • Outbound (non-manual) peers that serve us block headers that are already known to be invalid (other than compact block announcements, because BIP 152 explicitly permits nodes to relay compact blocks before fully validating them) will now be disconnected.
  • If the chain tip has not been advanced for over 7.5 minutes, we now assume the tip may be stale and will try to connect to an additional outbound peer. A periodic check ensures that if this extra peer connection is in use, we will disconnect the peer that least recently announced a new block.
  • The set of all known invalid-themselves blocks (i.e. blocks which we attempted to connect but which were found to be invalid) are now tracked and used to check if new headers build on an invalid chain. This ensures that everything that descends from an invalid block is marked as such.

The minimum relay fee -minrelayfee has been lowered to 0.01 lites per kB (0.00001 LTC). This is to prepare for dropping the minimum transaction fee to 0.1 lites per kB (0.0001 LTC) in the next release.

Mempool replacement --mempoolreplacement has been disabled by default.

Though blockmaxweight has been preferred for limiting the size of blocks returned by getblocktemplate since 0.13.0, blockmaxsize remained as an option for those who wished to limit their block size directly. Using this option resulted in a few UI issues as well as non-optimal fee selection and ever-so-slightly worse performance, and has thus now been deprecated. Further, the blockmaxsize option is now used only to calculate an implied blockmaxweight, instead of limiting block size directly. Any miners who wish to limit their blocks by size, instead of by weight, will have to do so manually by removing transactions from their block template directly.

The GUI settings will now be written to guisettings.ini.bak in the data directory before wiping them when the -resetguisettings argument is used. This can be used to retroactively troubleshoot issues due to the GUI settings.

Previously, it was possible to open the same wallet twice by manually copying the wallet file, causing issues when both were opened simultaneously. It is no longer possible to open copies of the same wallet.

A hidden debug argument -minimumchainwork has been added to allow a custom minimum work value to be used when validating a chain.

  • The “currentblocksize” value in getmininginfo has been removed.
  • dumpwallet no longer allows overwriting files. This is a security measure as well as prevents dangerous user mistakes.
  • backupwallet will now fail when attempting to backup to source file, rather than destroying the wallet.
  • listsinceblock will now throw an error if an unknown blockhash argument value is passed, instead of returning a list of all wallet transactions since the genesis block. The behaviour is unchanged when an empty string is provided.

To download, please visit the download page here. Alternatively, you can view the download folder here.

Please use GPG to verify the integrity of the release binaries. This ensures that the binary you have downloaded has not been tampered with. Linux, MacOS and Win32 cygwin command line GPG instructions are available here. Please also note that we GPG sign the binaries as a convenience to you, the ultimate way to verify the integrity of the builds is to build them yourself using Gitian. Instructions on how to perform these builds, can be found here.

For this release, the binaries have been signed with key identifier FE3348877809386C (thrasher’s key).

Despite this version being heavily tested, this version may still contain bugs. Always backup your wallet.dat file before upgrading. If you encounter any issues, please let us know by posting to the bug reporting section below.

The master branch contains the latest commits to the next stable releases of Litecoin Core.

Build instructions for Linux can be found here.

Build instructions for OSX can be found here.

Builds instructions for Windows can be found here.

Submit any issues you encounter here and one of the Litecoin developers will assist you.

Sign up for announcements only or development discussion.

These are the SHA-256 hashes of the released files:

686acf75f76befd39ca8b3a6b3ea86e52775fc33220970cd6db9e75c6bb814dc litecoin-0.15.1-aarch64-linux-gnu.tar.gz
38df3210486dfe1af59b0db713be7c5567158dda6510efc92e76b5c3adfa7602 litecoin-0.15.1-arm-linux-gnueabihf.tar.gz
8559c17d4b7ca77c2b8844d9013cf4a7e575515263deae06c64f4c5da1486a12 litecoin-0.15.1-i686-pc-linux-gnu.tar.gz
2bb565a77779be4ed5b186c93891bc0a12352c94316a1fc44388898f7afb7bc2 litecoin-0.15.1-osx64.tar.gz
e33039232541c190a1529323b6d872d986f8b14bc2fcb8763721de52ed9f9096 litecoin-0.15.1-osx.dmg
d5b2b12b7d7817ad0db5abb54fb06cd37e5379db1b89c72d656df3ba59d355be litecoin-0.15.1.tar.gz
97fd13845045475a62e5707ded25d5be75ea1c4d89080418dcba7a670ee46dad litecoin-0.15.1-win32-setup.exe
7885caabac4968480511b502621670edbb7b0661378cb8a6da86450a74c83d94 litecoin-0.15.1-win32.zip
71d430481e5064ad56e793b81f1d5e5f9f811107794a95c6ad751a3bee9d6e99 litecoin-0.15.1-win64-setup.exe
eae66242ef66ee22f403ade0c2795ff74f6654bf3fc546e99bde2e6e4c9e148f litecoin-0.15.1-win64.zip
77062f7bad781dd6667854b3c094dbf51094b33405c6cd25c36d07e0dd5e92e5 litecoin-0.15.1-x86_64-linux-gnu.tar.gz

Thanks to everyone who directly contributed to this release:

  • The Bitcoin Core Developers
  • Adrian Gallagher
  • aunyks
  • coblee
  • cryptonexii
  • gabrieldov
  • Martin Smith
  • NeMO84
  • ppm0
  • romanornr
  • shaolinfry
  • spl0i7
  • ultragtx
  • VKoskiv
  • voidmain
  • xinxi

Source: https://blog.litecoin.org/litecoin-core-v0-15-1-release-d2a400cb78bc?source=rss—-d41bceeb173b—4

Blockchain

Coinbase Halts Plans for Crypto Lending Product Amid SEC Pressure

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In an update to a blog post from months prior, Coinbase has withdrawn its plans to launch a USDC APY lending program on the platform in response to mounting legal pressure from regulators.

Coinbase Bends to the SEC

The news was quietly released this Friday when Coinbase updated its June blog post that announced an upcoming lending product. After encouraging users to pre-enroll for its program, the team has now discontinued its waitlist, which attracted hundreds of thousands of American customers.

“Our goal is to create great products for our customers and to advance our mission to increase economic freedom in the world,” reads the update. “As we continue our work to seek regulatory clarity for the crypto industry as a whole, we’ve made the difficult decision not to launch the USDC APY program announced below.”

Citing “regulatory clarity” as a reason to table the lending service, Coinbase appears to be acting in line with statements made by CEO Brian Armstrong on Twitter earlier this month.

On September 7th, he blasted the SEC’s difficulty and lack of clarity on regulatory requirements, despite his company’s numerous attempts to comply and communicate with them. This was after the SEC threatened to sue Coinbase over the aforementioned lending program – a decision with which Armstrong heavily disagreed but nevertheless agreed to follow.

At the end of the update, Coinbase still promised to keep bringing “innovative, trusted programs and products” to the market.


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The Trouble of Defining a Security

At the heart of Armstrong and the SEC’s dispute is a disagreement on what constitutes a “security.” The program in question – Lend– would have offered Coinbase users 4% APY on their USDC offerings.

While the SEC considers Lend to involve securities, Armstrong sees it simply as a lending product for which precedent has already been set numerous times.

The SEC has proven a difficult hurdle to overcome for the cryptocurrency industry in the United States. Businesses have applied with the regulator numerous times for both lending products and ETFs to no avail – both products which their neighbors in Canada have readily accepted.

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Source: https://cryptopotato.com/coinbase-halts-plans-for-crypto-lending-product-amid-sec-pressure/

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Blockchain

Robinhood Testing New Cryptocurrency Wallet as Demand Rises

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The millennial-focused trading portal is edging closer to launching a long-awaited app that will enable its growing user-base to send and receive cryptocurrencies.

A beta version of Robinhood’s iPhone app showed the company’s latest upgrades on the new digital asset features, according to Bloomberg.

There is a hidden image showing a waiting list for users eager to get their hands on the app and code referring to crypto transfers, it added.

Delving Deeper into Crypto

Robinhood users can already buy and sell cryptocurrencies on the platform but they need to convert them to and from USD. With a native app, users will be able to send crypto assets to each other directly and set up two-factor authentication for additional security.

Robinhood Chief Executive Officer Vlad Tenev stated that adding crypto wallets is a priority for the company’s developers and they are actively working on such.


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“The ability to deposit and withdraw cryptocurrencies is tricky to do with scale, and we want to make sure it’s done correctly and properly.”

He did not specify a launch date, but the beta app leak suggests it is not too far away. Users of the new functions will need to activate crypto sending and receiving and the registration page will require an identity check, the report added.

On Sept. 11, CryptoPotato reported that Robinhood had launched incentives to promote longer-term cryptocurrency investing. The zero-fee recurring purchase feature enables users to schedule digital asset purchases for regular intervals with buys as low as a dollar.

This will encourage customers to build their cryptocurrency portfolios over time and “become a whole coiner,” stated Robinhood.

Robinhood Users Hungry For Crypto

Cryptocurrency trading has been one of the biggest drivers of revenue for Robinhood this year. Dogecoin has been the crown jewel, according to the company. It reported that 62% of its $233 million in second-quarter crypto income came from DOGE trading.

It added that more than half of all transaction-based revenue on the platform came from digital asset trading. The firm did warn that Q3 would not be as prosperous due to “seasonal headwinds and lower trading activity across the industry.”

Robinhood share prices have already fallen 43% since their all-time high of a little over $70 in early August. They are currently trading down 1.68% since Monday’s open at $40.70 according to Yahoo! Finance.

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Source: https://cryptopotato.com/robinhood-testing-new-cryptocurrency-wallet-as-demand-rises/

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Blockchain

Taker Protocol Raises $3M to Transform NFT Liquidity and Utilization

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[PRESS RELEASE – New York, United States, 20th September 2021]

Taker Protocol, a crypto liquidity protocol for NFTs, has raised $3 million from a number of reputable investors to build new financial primitives into the burgeoning NFT market.

The round was led by Electric Capital, with DCG, Ascentive Assets, Dragonfly Capital, Spartan Group, The LAO, Sfermion, and Morningstar Ventures participating as well.

Taker Protocol focuses on improving the liquidity available in the NFT market. Due to the unique non-fungible structure of NFTs, existing DeFi primitives are difficult to integrate into the market, resulting in significant issues in terms of overall liquidity. The value of an NFT is extremely volatile and often effectively becomes zero as no buyers can be found at any reasonable price. Furthermore, NFTs are difficult to use productively after purchase and often end up forgotten in the user’s wallet.

Taker Protocol aims to solve the worst of the liquidity issues. Allowing lenders and borrowers to liquidate and rent assets that aren’t cryptocurrencies creates new liquidity streams and opportunities. For Taker, these assets will include NFTs, financial papers, synthetic assets, and much more.

The TKR token defines membership in the Taker DAO, which has several key functions in the system. In addition to setting loan-to-value rates and other parameters in the protocol, the DAO will also contribute in fairly appraising a particular NFT or NFT collection. This means that each asset supported by Taker will have a guaranteed fair floor price. In return, TKR holders will be able to obtain rewards and receive a portion of platform income.

The funds received will help Taker launch the full version of the protocol across multiple chains, including Ethereum, Polygon, Solana, BSC and Near. The support of major stakeholders and participants in the NFT ecosystem will also help further development of the project.

Taker DAO contains many different Curator DAOs (Sub-DAOs), each sub-DAO will manage their own whitelist and a floor price for any NFT on their whitelist if the borrower defaults on the loan. We believe that it is best to mitigate the risks for our lenders by carefully selecting the NFT assets that our community desires and trusts the most. Aligning the interest of the DAOs with that of the lenders, we will mitigate the risk exposure for the lenders and optimize the profits for the DAOs. Moreover, each sub-DAO will have its own funds and can choose to focus exclusively on a specific type of NFT assets. For example, it could be artworks-only or Metaverse-only.

Taker Co-Founder Angel Xu comments:

“We are absolutely thrilled to welcome so many well-established investment funds to the team. Their participation heralds an exciting new phase for the protocol as we seek to address persistent problems in the NFT lending market for the benefit of end-users. This investment will enable us to further optimize liquidation of NFT assets across multiple blockchains, removing the barriers to entry that prevent new players from entering the market.”

“Taker Protocol is using an innovative approach to solve the biggest problem in the NFT space — lack of liquidity. With Taker, we are one step closer to the world where anyone anywhere can use their NFT assets to take out a loan.” (Maria Shen, Partner at Electric Capital)

About Taker

NFT DeFi: Taker is the first protocol to provide liquidity to the NFT market through a DAO. It is a multi-strategy, cross-chain lending protocol for lenders and borrowers to liquidate and rent all kinds of crypto assets, including financial papers, synthetic assets, and more. Taker provides ensured liquidity via our lenderDao infrastructure and extensions that could be integrated into NFT marketplaces.

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Source: https://cryptopotato.com/taker-protocol-raises-3m-to-transform-nft-liquidity-and-utilization/

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