Eyal Gruper (@egruper) header
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Bitcoin | Recovery and Inheritance | Self-custody advocate | Founder & CEO at @RitrekRecovery

Joined September 2011
Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)Photo by Eyal Gruper (@egruper)
Me and @oren_z0 were hosted in another Bitcoin Basics episode by @BitcoinIL, hosted at the @BitcoinemBassy Send it to your fellow Hebrew speaker future-Bitcoinee who didn't get it yet.
ื”ืฉื‘ื•ืข ื‘ืื ืฉื™ ื”ื‘ื™ื˜ืงื•ื™ืŸ - ืคืจืง ืจื‘ื™ืขื™ ื‘ืกื“ืจืช Bitcoin Basics! ืฉื™ื—ื” ืขื @egruper ื•ืื•ืจืŸ ื–ื•ืžืจ ืขืœ ืื™ืš ื‘ื™ื˜ืงื•ื™ืŸ ื‘ืืžืช ืขื•ื‘ื“ ืžืื—ื•ืจื™ ื”ืงืœืขื™ื. ๐ŸŽงืœื”ืื–ื ื”: did.li/rGVIw โ–ถ ืœืฆืคื™ื™ื” ื‘ื™ื•ื˜ื™ื•ื‘: youtu.be/ccyN5pr42YE ๐Ÿ’ฌื”ืฆื˜ืจืคื• ืœืงื‘ื•ืฆืช ื”ืขื“ื›ื•ื ื™ื ื”ืจืฉืžื™ืช ืฉืœ ื”ืื™ื’ื•ื“ ื‘ื•ื•ืื˜ืกืืค: did.li/rREx5
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Happy to be hosted with @oren_z0 talking about Bitcoin wallets, as part of the Bitcoin Basics podcast series by @BitcoinIL at @BitcoinemBassy
ื”ืฉื‘ื•ืข ื‘ืคื•ื“ืงืืกื˜ "ืื ืฉื™ ื”ื‘ื™ื˜ืงื•ื™ืŸ" @egruper ื•ืื•ืจืŸ ื–ื•ืžืจ, ืžื™ื™ืกื“ื™ @RitrekRecovery ืžืฆื˜ืจืคื™ื ืืœื™ื ื• ืœืคืจืง ื”ืฉืœื™ืฉื™ ื‘ืกื“ืจืช Bitcoin Basics , ื•ื”ืคืขื: ื›ืœ ืžื” ืฉืจืฆื™ืชื ืœื“ืขืช ืขืœ ืืจื ืงื™ ื‘ื™ื˜ืงื•ื™ืŸ. ืœื”ืื–ื ื”: did.li/zhVIw
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Transaction with a fee of 1 Bitcoin.
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Had a great time yesterday at @BitcoinemBassy diving into self-custody, recovery & inheritance - the risks, the trade-offs, and how not to lose your โ‚ฟitcoin. Loved sharing what weโ€™re building at @RitrekRecovery, more soon! #Bitcoin #SelfCustody
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Eyal Gruper retweeted
Every week, stories like this appear. A family loses not just someone they loved, but also access to what they built together. Bitcoin gives freedom, but freedom without recovery is fragile. RITREK helps you prepare for the unthinkable, without ever giving up your keys.
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Another week - another lost bitcoin case: Just talked to a guy that permanently lost access to his coins. He didn't have a backup plan and relied 100% on a hot wallet application on his iphone. He factory-reset his device, not knowing that the private keys will be lost forever. This kind of story is the reason why we started @RitrekRecovery, to make self-custody easy and recoverable.
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Eyal Gruper retweeted
A ghost canโ€™t haunt you. But a lost seed can. Happy Halloween ๐ŸŽƒ
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Today, 17 (prime) years ago, the Bitcoin White Paper saw first light. Pretty amazing where we have gotten so far. "Code money", "hard asset", a "fine-tuned orchestra". So many moving parts, incentivized. A community. An ethos. A cpp creation that reminds us nature. Free yourself.
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Eyal Gruper retweeted
Timelocks decide when your Bitcoin can move. Theyโ€™re essential for recovery and inheritance solutions. But hereโ€™s the catch: Most hardware wallets donโ€™t show them, leaving users in the dark about timelock conditions. A silent UX + security gap.
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This is a brutal reminder: If you donโ€™t hold your keys, you donโ€™t control your Bitcoin. โ€œTrustedโ€ hardware like Intel SGX / AMD SEV can be compromised with basic physical access - researchers just did it with a ~$1K setup. No custodian, cloud, or โ€œsecure enclaveโ€ changes this reality. #nyknyc
More interposer fun, this time with DDR5 memory. Breaking TDX, SGX, SEV and even Nvidia TEEs. Checkout our work at TEE.fail, and get a personally-signed Intel attestation report at @TEEdotFail.
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One of the discussions I wanted to reserve a seat to. Mainly to hear @lopp and @peterktodd. tl;dr "run whatever you want", @lopp @stephanlivera you handled them well ๐Ÿ’ช @LuganoPlanB @planb_network
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The statue "recovers" ๐Ÿฅ‡
Day 1 of Plan โ‚ฟ Forum set the tone in Lugano. The Satoshi statue stands tall again! A powerful reminder that Bitcoin endures, evolves, and recovers. Looking forward to the next days.
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Probably the best balloon/view pic ever ๐ŸŽˆโ‚ฟ ๐ŸŽƒ
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Representing @RitrekRecovery at the Bitcoin Capital Summit yesterday, among key figures shaping the future of Bitcoin - @adam3us, @paoloardoino, @willywoo and @PrestonPysh. Great discussions all day just before the @LuganoPlanB conference, about building a more resilient self-custody ecosystem. #Bitcoin #SelfCustody #Lugano
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โ€œBitcoin is the opportunity of the private sector to front-run smart money.โ€ - @adam3us Great discussions at @pow_space ๐Ÿ‡จ๐Ÿ‡ญ with @bitcoin_ch, hosted by @secco07 about Bitcoin, freedom, and building the next generation of self-custody experiences. If we want users to truly hold their own Bitcoin, we have to make it seamless, secure, and human. And here I am, standing next to the true meaning of PoS ๐Ÿ˜ #Bitcoin #PlanB #SelfCustody #Lugano
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Because true self-custody should never feel complicated ๐Ÿ’ซ @RitrekOfficial
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