Video wird geladen...

Video konnte nicht geladen werden

Zur Startseite

LayerAI Network Mainnet is Live: First Layer-2 for the Future of AI Value Chains 🧬 The 1st phase of our mainnet is now live: the biggest exchanges are integrating LayerAI mainnet network. This is an alpha version of the network, and allows us to test parameters before pushing for...

LayerAIorg's profile picture

LayerAI | AI2Earn

235,509 subscribers

220,924 Aufrufe • vor 1 Jahr •via X (Twitter)

Wissenschaft & TechnologieNachrichten & Politik
LIVE

Anya Rossi• Live Now

Private livecam show

0 Kommentare

Keine Kommentare verfügbar

Kommentare vom Original-Post werden hier angezeigt

Ähnliche Videos

LayerAI Testnet Roadmap is Live: First Launches Coming Next Week 🧬 LayerAI Testnet with LAI for transaction gas is launching and will introduce major ecosystem milestones, including products & apps deployed within our own ZK Layer-2. So far, many of our products were based on Ethereum only. With LayerAI ZK Layer-2, they will be deployed on own network, within the Testnet and Mainnet campaigns. 🔘 Testnet with LAI as Gas: Roadmap Phase 1: Testnet is live with LAI as Gas Phase 2: Native apps & trading infrastructure is live on Testnet Phase 3: AI2Earn with DATUM rewards is live on Testnet Phase 1 begins next week.
0:14

LayerAI Testnet Roadmap is Live: First Launches Coming Next Week 🧬 LayerAI Testnet with LAI for transaction gas is launching and will introduce major ecosystem milestones, including products & apps deployed within our own ZK Layer-2. So far, many of our products were based on Ethereum only. With LayerAI ZK Layer-2, they will be deployed on own network, within the Testnet and Mainnet campaigns. 🔘 Testnet with LAI as Gas: Roadmap Phase 1: Testnet is live with LAI as Gas Phase 2: Native apps & trading infrastructure is live on Testnet Phase 3: AI2Earn with DATUM rewards is live on Testnet Phase 1 begins next week.

LayerAI | AI2Earn

157,330 Aufrufe • vor 2 Jahren

Expanding $LAI Utility: Gas for Layer-2 Testnet, Mainnet & Ecosystem Apps 🧬 We are excited to unveil new additions to the existing $LAI utilities, in line with the development of our ZK Layer-2 network. (1) $LAI integrated on the ZK Layer-2 Testnet as transaction gas (2) $LAI integrated on the ZK Layer-2 Mainnet as transaction gas (3) $LAI adopted by all ecosystem apps deploying on our network 👉 Explore the updated $LAI Economy Page: 👉 Dive into Gasless Testnet:
0:12

Expanding $LAI Utility: Gas for Layer-2 Testnet, Mainnet & Ecosystem Apps 🧬 We are excited to unveil new additions to the existing $LAI utilities, in line with the development of our ZK Layer-2 network. (1) $LAI integrated on the ZK Layer-2 Testnet as transaction gas (2) $LAI integrated on the ZK Layer-2 Mainnet as transaction gas (3) $LAI adopted by all ecosystem apps deploying on our network 👉 Explore the updated $LAI Economy Page: 👉 Dive into Gasless Testnet:

LayerAI | AI2Earn

84,311 Aufrufe • vor 2 Jahren

AI2Earn Full Functions Coming to Our Layer-2 Testnet Next Week 🧬 AI2Earn comes to the final testing stage next week, with full functions available on LayerAI Testnet v3. Users have previously received to Testnet v3 wallets their own Data Capsules: with real corresponding earned Capsule amount, earning capacity and other parameters. These NFTs can be found on your wallet (such as Metamask), after the network maintenance is finalized. Next week, users will be able to test the real environment of AI2Earn on LayerAI Testnet before it goes to LayerAI Mainnet.
0:13

AI2Earn Full Functions Coming to Our Layer-2 Testnet Next Week 🧬 AI2Earn comes to the final testing stage next week, with full functions available on LayerAI Testnet v3. Users have previously received to Testnet v3 wallets their own Data Capsules: with real corresponding earned Capsule amount, earning capacity and other parameters. These NFTs can be found on your wallet (such as Metamask), after the network maintenance is finalized. Next week, users will be able to test the real environment of AI2Earn on LayerAI Testnet before it goes to LayerAI Mainnet.

LayerAI | AI2Earn

17,030 Aufrufe • vor 1 Jahr

LayerAI AI2AI Agent Perpetuals Now Live 🧬 We're thrilled to announce that the LayerAI AI2AI Agent Perpetuals are now live and ready for trading. Dive into the future of decentralized finance and AI integration by visiting With our focus on combining AI with blockchain technology, LayerAI is pushing the boundaries of what's possible in the DeFAI (Decentralized Finance + AI) ecosystem. Our AI Agent Algorithmic Momentum Protocol (AAMP) is designed to harness the power of AI in trading, offering new opportunities for traders. This new product paves the way for untapped userbases from tangential blockchain networks to find & join LayerAI ecosystem: - Base - Mantle - Optimism - Arbitrum 👉 Trade now:
0:10

LayerAI AI2AI Agent Perpetuals Now Live 🧬 We're thrilled to announce that the LayerAI AI2AI Agent Perpetuals are now live and ready for trading. Dive into the future of decentralized finance and AI integration by visiting With our focus on combining AI with blockchain technology, LayerAI is pushing the boundaries of what's possible in the DeFAI (Decentralized Finance + AI) ecosystem. Our AI Agent Algorithmic Momentum Protocol (AAMP) is designed to harness the power of AI in trading, offering new opportunities for traders. This new product paves the way for untapped userbases from tangential blockchain networks to find & join LayerAI ecosystem: - Base - Mantle - Optimism - Arbitrum 👉 Trade now:

LayerAI | AI2Earn

16,880 Aufrufe • vor 1 Jahr

18 Months of LayerAI: Milestones of the Most Adopted AI Ecosystem on Chain 🧬 LayerAI is the Internet of AI, with a vision to transform how data is monetized in the AI decade. Last 18 months marked 10+ product releases, millions of users engaging with our products & blockchain, and vast roadmap ahead. 🧵👇
0:12

18 Months of LayerAI: Milestones of the Most Adopted AI Ecosystem on Chain 🧬 LayerAI is the Internet of AI, with a vision to transform how data is monetized in the AI decade. Last 18 months marked 10+ product releases, millions of users engaging with our products & blockchain, and vast roadmap ahead. 🧵👇

LayerAI | AI2Earn

200,348 Aufrufe • vor 1 Jahr

The Expansion of LayerAI Network with laiOS 🧬 Each laiOS device requires at least 1 token per device to operate. There are over 1 trillion devices in the world already. This number grows by tens of billions every year. If just 0.3% of devices opt into the network, that’s a demand for 3 billion $LAI. LayerAI aims to present the first working version of this product by Q1-Q2 of this year.
0:13

The Expansion of LayerAI Network with laiOS 🧬 Each laiOS device requires at least 1 token per device to operate. There are over 1 trillion devices in the world already. This number grows by tens of billions every year. If just 0.3% of devices opt into the network, that’s a demand for 3 billion $LAI. LayerAI aims to present the first working version of this product by Q1-Q2 of this year.

LayerAI | AI2Earn

22,955 Aufrufe • vor 1 Jahr

Early Data Economy App Beta Adoption: Stake $LAI Before the Economy Mainnet 🪢 Many of the 1M registered accounts on LayerAI have been activated by the Data Economy Beta this week. We have seen the rise on daily active users and new accounts created, demonstrating a strong interest in one of our core products. Next up, Data Economy App Beta is coming to other devices via App Store apps, to test out the functionalities on mobile. Our users - who have staked $LAI and claimed Data Capsules - started accumulating simulation economy DATUM, to test out the 2earn functionality of the Data Economy App. This marks the last opportunity to receive Data Capsules before the Data Economy Mainnet. 👉 How to stake $LAI:
0:20

Early Data Economy App Beta Adoption: Stake $LAI Before the Economy Mainnet 🪢 Many of the 1M registered accounts on LayerAI have been activated by the Data Economy Beta this week. We have seen the rise on daily active users and new accounts created, demonstrating a strong interest in one of our core products. Next up, Data Economy App Beta is coming to other devices via App Store apps, to test out the functionalities on mobile. Our users - who have staked $LAI and claimed Data Capsules - started accumulating simulation economy DATUM, to test out the 2earn functionality of the Data Economy App. This marks the last opportunity to receive Data Capsules before the Data Economy Mainnet. 👉 How to stake $LAI:

LayerAI | AI2Earn

50,596 Aufrufe • vor 2 Jahren

Version One of LayerAI Computation Market is Live: Try Now 🧬 Introducing, the first iteration & client onboarding of the LayerAI Computation Market. This product allows agents on laiOS to rapidly purchase and utilize computation needs. The most seamless economy for autonomous devices. 🌐 Computation Market Features 1. web3 compatibility on LayerIA mainnet for sub-second settlement of AI2AI payments to create the fastest computation market in the world. 2. AI2AI compatibility: AI agents can provide and consume resources from one another, ensuring every tiny bit of computation power in the world is used. Your devices will seamlessly be able to monetize your unused computation power -- for you. LayerAI is seeding the computation power available on the market through its own acquired GPUs. This goes live as the first iteration, with deeper product functionalities expected rapidly. 🌐
0:17

Version One of LayerAI Computation Market is Live: Try Now 🧬 Introducing, the first iteration & client onboarding of the LayerAI Computation Market. This product allows agents on laiOS to rapidly purchase and utilize computation needs. The most seamless economy for autonomous devices. 🌐 Computation Market Features 1. web3 compatibility on LayerIA mainnet for sub-second settlement of AI2AI payments to create the fastest computation market in the world. 2. AI2AI compatibility: AI agents can provide and consume resources from one another, ensuring every tiny bit of computation power in the world is used. Your devices will seamlessly be able to monetize your unused computation power -- for you. LayerAI is seeding the computation power available on the market through its own acquired GPUs. This goes live as the first iteration, with deeper product functionalities expected rapidly. 🌐

LayerAI | AI2Earn

19,242 Aufrufe • vor 1 Jahr

LayerAI Launches an AI Wallet Assistant That Automates All Transactions 🧬 ChatGPT transformed browsing by using natural text inputs to produce results. Now, LayerAI introduces a similar product - for Web3. Like ChatGPT, you have a text box where you can enter a prompt. For example 'Trade my ETH to LAI' or 'Send 1 ETH from Wallet A to Wallet B', and so on. LayerAI simplifies crypto interactions for everyone - like ChatGPT simplified search and became the 5th most used product worldwide. Forget having to manually use front-ends. Use the LayerAI GPT Assistant to run all of your interactions: from trading, to (soon) farming and bridging. 👉 Live now:
0:19

LayerAI Launches an AI Wallet Assistant That Automates All Transactions 🧬 ChatGPT transformed browsing by using natural text inputs to produce results. Now, LayerAI introduces a similar product - for Web3. Like ChatGPT, you have a text box where you can enter a prompt. For example 'Trade my ETH to LAI' or 'Send 1 ETH from Wallet A to Wallet B', and so on. LayerAI simplifies crypto interactions for everyone - like ChatGPT simplified search and became the 5th most used product worldwide. Forget having to manually use front-ends. Use the LayerAI GPT Assistant to run all of your interactions: from trading, to (soon) farming and bridging. 👉 Live now:

LayerAI | AI2Earn

21,662 Aufrufe • vor 1 Jahr

LayerAI Computation Market is Here: GPU Compute On Demand 🧬 LayerAI has been a pioneer in the DePIN sector for nearly 2 years. Now, the biggest step in $LAI’s growth in the computation market is here. Computation Market allows agents on aiOS to rapidly purchase and utilize computation needs. The most seamless economy for autonomous devices. 🔘 Powerful Features 1. web3 compatibility on LayerIA mainnet for sub-second settlement of AI2AI payments to create the fastest computation market in the world. 2. AI2AI compatibility: AI agents can provide and consume resources from one another, ensuring every tiny bit of computation power in the world is used. Your devices will seamlessly be able to monetize your unused computation power -- for you. LayerAI is seeding the computation power available on the market through its own acquired GPUs. The first iteration & client onboarding of this product will go live next week.
0:17

LayerAI Computation Market is Here: GPU Compute On Demand 🧬 LayerAI has been a pioneer in the DePIN sector for nearly 2 years. Now, the biggest step in $LAI’s growth in the computation market is here. Computation Market allows agents on aiOS to rapidly purchase and utilize computation needs. The most seamless economy for autonomous devices. 🔘 Powerful Features 1. web3 compatibility on LayerIA mainnet for sub-second settlement of AI2AI payments to create the fastest computation market in the world. 2. AI2AI compatibility: AI agents can provide and consume resources from one another, ensuring every tiny bit of computation power in the world is used. Your devices will seamlessly be able to monetize your unused computation power -- for you. LayerAI is seeding the computation power available on the market through its own acquired GPUs. The first iteration & client onboarding of this product will go live next week.

LayerAI | AI2Earn

37,780 Aufrufe • vor 1 Jahr

LayerAI AI Agent Manifesto is Live: The Path Forward 🧬 We've made it easy for ecosystem veterans & newcomers to get excited about the market & product opportunity we're tackling next: AI Agent Infrastructure. We're building an AI-powered agent platform where people can deploy, market, and succeed with this new token subcategory. At the heart of this transformation lies a challenge: primitive & so far limited tech & AI capabilities of incumbent platforms. We believe that LayerAI is equipped to rise as the new leading infrastructure provider for this market. LayerAI has already demonstrated market validation for AI Agents and looks to build on what we believe is the very start of this category in web3. 👉 Explore now:
0:19

LayerAI AI Agent Manifesto is Live: The Path Forward 🧬 We've made it easy for ecosystem veterans & newcomers to get excited about the market & product opportunity we're tackling next: AI Agent Infrastructure. We're building an AI-powered agent platform where people can deploy, market, and succeed with this new token subcategory. At the heart of this transformation lies a challenge: primitive & so far limited tech & AI capabilities of incumbent platforms. We believe that LayerAI is equipped to rise as the new leading infrastructure provider for this market. LayerAI has already demonstrated market validation for AI Agents and looks to build on what we believe is the very start of this category in web3. 👉 Explore now:

LayerAI | AI2Earn

158,919 Aufrufe • vor 1 Jahr

Today, CryptoGPT transforms into LayerAI: the Internet of AI. A grand expansion of vision into a much wider frontier: from app infrastructure to a network of technologies. $GPT becomes $LAI. The same token, but with expanded utilities and revenue streams 👇
0:13

Today, CryptoGPT transforms into LayerAI: the Internet of AI. A grand expansion of vision into a much wider frontier: from app infrastructure to a network of technologies. $GPT becomes $LAI. The same token, but with expanded utilities and revenue streams 👇

LayerAI | AI2Earn

106,121 Aufrufe • vor 3 Jahren

The Next 100 Days: Our Campaign Forward 🌐 LayerAI is the most user-rich web3 AI ecosystem. 12 products with over 2 million combined users. We are now approaching the verge of releasing mainnet versions of products used by 6+ billion people globally: 1. laiOS The world’s first AI-enabled operating system. Pluggable by hardware manufacturers across the world. The equivalent of Google’s Android, but for the AI economy. An OS for trillions of devices. 2. aiSEARCH The world’s AI-native web3 browser system, a competitor of Open AI's Search. The vision: the only browser with a native wallet, payment system, and AI Search, powering the future of AI Agents in the workforce. Built for AI markets: AI2AI transactions are the future of global commerce. Our Campaign Forward starts tomorrow. 100 Day Journey to 1 Billion AI Agents on LayerAI.
0:18

The Next 100 Days: Our Campaign Forward 🌐 LayerAI is the most user-rich web3 AI ecosystem. 12 products with over 2 million combined users. We are now approaching the verge of releasing mainnet versions of products used by 6+ billion people globally: 1. laiOS The world’s first AI-enabled operating system. Pluggable by hardware manufacturers across the world. The equivalent of Google’s Android, but for the AI economy. An OS for trillions of devices. 2. aiSEARCH The world’s AI-native web3 browser system, a competitor of Open AI's Search. The vision: the only browser with a native wallet, payment system, and AI Search, powering the future of AI Agents in the workforce. Built for AI markets: AI2AI transactions are the future of global commerce. Our Campaign Forward starts tomorrow. 100 Day Journey to 1 Billion AI Agents on LayerAI.

LayerAI | AI2Earn

273,201 Aufrufe • vor 1 Jahr

The Next Stage of Startups in LayerAI Ecosystem: Web-3 Powered Internet Browser by LayerAI 🧬 With 1M+ users already delivered through existing products, the upcoming product has a 1000x bigger global user base than our current portfolio. It taps to almost every internet device on Earth. Every human uses this product sector. The next phase of LayerAI for 1000x increase in user targeting is now. We are proud to unveil our next major product release: BrowseWeb3. BrowseWeb3 is a web3-native browser with in-built wallet, VPN, and AI2Earn. Launching this month. 👉 Explore: 🧬 New Era of the Internet: Browse & Earn BrowseWeb3 is the LayerAI's first development catered for the specialized browser market. (1) All essential web3 products in one browser (2) Incentivized browsing via AI2Earn rewards (3) Enjoy private browsing with Native VPN (4) Less ads, more focus: integrated ad, cross-site tracking and cookie blockers
0:14

The Next Stage of Startups in LayerAI Ecosystem: Web-3 Powered Internet Browser by LayerAI 🧬 With 1M+ users already delivered through existing products, the upcoming product has a 1000x bigger global user base than our current portfolio. It taps to almost every internet device on Earth. Every human uses this product sector. The next phase of LayerAI for 1000x increase in user targeting is now. We are proud to unveil our next major product release: BrowseWeb3. BrowseWeb3 is a web3-native browser with in-built wallet, VPN, and AI2Earn. Launching this month. 👉 Explore: 🧬 New Era of the Internet: Browse & Earn BrowseWeb3 is the LayerAI's first development catered for the specialized browser market. (1) All essential web3 products in one browser (2) Incentivized browsing via AI2Earn rewards (3) Enjoy private browsing with Native VPN (4) Less ads, more focus: integrated ad, cross-site tracking and cookie blockers

LayerAI | AI2Earn

196,597 Aufrufe • vor 2 Jahren

⚔️ ANUBIS Mainnet is now officially live. The launch of mainnet marks ANUBIS entering a new phase of network development. The privacy infrastructure is beginning to support broader on-chain connectivity, and the ecosystem engine is beginning to drive deeper coordination and growth. 🌐🚀 From this moment forward, ANUBIS will continue to expand network capability, ecosystem reach, and future value potential together with developers, builders, ecosystem partners, and community members around the world. 🔥 Thank you for being part of the journey. ANUBIS Mainnet is now live. #ANUBIS #Mainnet #Web3 #Layer1 #Blockchain #Privacy #Crypto #Ecosystem
0:15

⚔️ ANUBIS Mainnet is now officially live. The launch of mainnet marks ANUBIS entering a new phase of network development. The privacy infrastructure is beginning to support broader on-chain connectivity, and the ecosystem engine is beginning to drive deeper coordination and growth. 🌐🚀 From this moment forward, ANUBIS will continue to expand network capability, ecosystem reach, and future value potential together with developers, builders, ecosystem partners, and community members around the world. 🔥 Thank you for being part of the journey. ANUBIS Mainnet is now live. #ANUBIS #Mainnet #Web3 #Layer1 #Blockchain #Privacy #Crypto #Ecosystem

Anubis

28,745 Aufrufe • vor 4 Monaten

BrowseWeb3 is Live: Download the Web3-Powered Internet Browser by LayerAI 🧬 The native browser for web3 on LayerAI - BrowseWeb3 - is now live for Windows Desktop. Integrating major ecosystem products to create a powerful Internet product. 👉 Download: 🧬 New Era of the Internet: Browse & Earn BrowseWeb3 is the LayerAI's first development catered for the specialized browser market, substitute for Google Chrome or Safari. (1) All essential web3 products in one browser (2) Incentivized browsing via upcoming AI2Earn rewards (3) Enjoy private browsing with Native VPN (4) Less ads, more focus: integrated ad, cross-site tracking and cookie blockers
0:18

BrowseWeb3 is Live: Download the Web3-Powered Internet Browser by LayerAI 🧬 The native browser for web3 on LayerAI - BrowseWeb3 - is now live for Windows Desktop. Integrating major ecosystem products to create a powerful Internet product. 👉 Download: 🧬 New Era of the Internet: Browse & Earn BrowseWeb3 is the LayerAI's first development catered for the specialized browser market, substitute for Google Chrome or Safari. (1) All essential web3 products in one browser (2) Incentivized browsing via upcoming AI2Earn rewards (3) Enjoy private browsing with Native VPN (4) Less ads, more focus: integrated ad, cross-site tracking and cookie blockers

LayerAI | AI2Earn

125,369 Aufrufe • vor 2 Jahren

The Cronos zkEVM public mainnet (alpha) launch date is targeted for August 15. Cronos' newest, future-proof blockchain network is almost ready to go live. On Aug 15, users will be able to connect their wallet, bridge funds, and use a large and growing number of dapps. What are the next steps for you? It's your last chance #CROFam to participate in #Cronos zkEVM Passage, as deposits will close on Aug 9 at 12pm UTC. 👉 Deposit now at to: 🪙 Be the first to get zkCRO deposits when mainnet goes live 🌟 Accumulate loyalty points for the Pioneer Program 🏆 Be eligible for the $30,000 giveaway, and the additional $1000 prize pool specifically for users who deposit CRO from the Ethereum network ⚠️ As soon as Cronos zkEVM goes live, the Pioneer Program continues with a new series of "Mainnet Missions". Stay tuned to grow your loyalty point balance, which you can redeem later for rewards.
0:15

The Cronos zkEVM public mainnet (alpha) launch date is targeted for August 15. Cronos' newest, future-proof blockchain network is almost ready to go live. On Aug 15, users will be able to connect their wallet, bridge funds, and use a large and growing number of dapps. What are the next steps for you? It's your last chance #CROFam to participate in #Cronos zkEVM Passage, as deposits will close on Aug 9 at 12pm UTC. 👉 Deposit now at to: 🪙 Be the first to get zkCRO deposits when mainnet goes live 🌟 Accumulate loyalty points for the Pioneer Program 🏆 Be eligible for the $30,000 giveaway, and the additional $1000 prize pool specifically for users who deposit CRO from the Ethereum network ⚠️ As soon as Cronos zkEVM goes live, the Pioneer Program continues with a new series of "Mainnet Missions". Stay tuned to grow your loyalty point balance, which you can redeem later for rewards.

Cronos

80,641 Aufrufe • vor 2 Jahren

LayerAI Compute: Decentralized GPU Power for AI 🧬 LayerAI is stepping into the physical AI infrastructure game with our latest: DePin for AI Computing. This move tackles a key AI/ML market gap: instant, on-demand compute power, available worldwide with just a few clicks. We're not just decentralizing data with AI2Earn; we're now also decentralizing the compute, making the AI ecosystem stronger and more resilient. The first iteration of this product will go live in the 2nd week of February.
0:18

LayerAI Compute: Decentralized GPU Power for AI 🧬 LayerAI is stepping into the physical AI infrastructure game with our latest: DePin for AI Computing. This move tackles a key AI/ML market gap: instant, on-demand compute power, available worldwide with just a few clicks. We're not just decentralizing data with AI2Earn; we're now also decentralizing the compute, making the AI ecosystem stronger and more resilient. The first iteration of this product will go live in the 2nd week of February.

LayerAI | AI2Earn

23,652 Aufrufe • vor 1 Jahr

LayerAI XRP AI Bot: Goes Live Next Week 🌐 LayerAI continues to lead the shift toward intelligent, language-based interfaces with the launch of our XRP AI Bot. It’s like ChatGPT but for XRP transactions. With this AI you can manage your XRP wallet using commands such as: Check my XRP balance. Send 50 XRP to a friend. Or Swap 200 XRP for USD. The AI is set to understand your request, find the best course of action and prepare all transaction data to then prompt your XAMAN wallet for a signature. To start, just follow these steps: 1. Connect your XAMAN wallet (once) 2. Start chatting with the bot 3. Let it handle the rest Official launch is next week.
0:11

LayerAI XRP AI Bot: Goes Live Next Week 🌐 LayerAI continues to lead the shift toward intelligent, language-based interfaces with the launch of our XRP AI Bot. It’s like ChatGPT but for XRP transactions. With this AI you can manage your XRP wallet using commands such as: Check my XRP balance. Send 50 XRP to a friend. Or Swap 200 XRP for USD. The AI is set to understand your request, find the best course of action and prepare all transaction data to then prompt your XAMAN wallet for a signature. To start, just follow these steps: 1. Connect your XAMAN wallet (once) 2. Start chatting with the bot 3. Let it handle the rest Official launch is next week.

LayerAI | AI2Earn

26,695 Aufrufe • vor 1 Jahr