Akash khoslaventures

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Today (April 16th 2019 at noon) the first major clues to discover key #1 was set to be released in a few cities. A QR code with the words 'orbital' were found at these locations and looked like this: (https://imgur.com/a/6rNmz7T). If you read the QR code with your phone you will be directed to this url: https://satoshistreasure.xyz/k1

At this URL you are prompted to input a passphrase to decrypt the first shard. An obvious first guess was to try the word 'orbital' from the QR code. Not suprisingly this worked! This reveals a congratulations page and presents the first key shard:

ST-0001-a36e904f9431ff6b18079881a20af2b3403b86b4a6bace5f3a6a47e945b95cce937c415bedaad6c86bb86b59f0b1d137442537a8.

Now, we were supposed to wait until April 17th to get clues from the other cities for keys #2 and #3 but that wouldn't stop me from digging around with all the new information we had. All that time "playing" notpron (http://notpron.org/notpron/) years ago was going to help me here.

The first thing I noticed was

Answers to Deep Questions about Solidity

The following list of questions was taken from https://www.reddit.com/r/ethereum/comments/72reba/do_you_have_deep_questions_about_solidity_or_the/

An updated summary on the different ways one could have two contracts interact (DELEGATECALL, STATICCALL, libraries, all that stuff) with clear pros/cons for each (gas cost, whether it requires EVM assembly directives, etc)

Question by /u/drcode

I won't talk about low-level opcodes here because of the brevity of the answer. In general, there are four ways functions can be called in Solidity:

Introduction

Bitcoin is a popular digital asset hosted by a public proof-of-work blockchain. As such, it would be nice to allow Bitcoin users to (securely) participate in Interledger Protocol (ILP) transactions.

There are three modes of operation described in this document, each with different security and performance trade-offs:

Escrow Hashed Timelocked Contract (HTLC)

This is the most secure, but also slowest way to integrate with Bitcoin. Each ILP transaction requires two consecutive Bitcoin transactions, so a delay over more than an hour is to be expected. This mode would be suitable for larger payments.
Payment Channel

Ikea Bekant standing desk with Gerton table top

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

Use Case

We'd like to know the path that a given ILP payment took or would take.

Solution

We add a header which lets you define a IPv6 UDP address and port and a unique ID.

User Experience

Ben would like to peer with Stefan. So he logs into his server running ILP kit and runs:

$ ilp-admin help

Usage: ilp-admin [command] ...

peer list      List my peers

	// AlwaysBCoding Screencast - Introduction to AWS EC2
	https://www.youtube.com/watch?v=jFBbcleSPoY

	// Create a new EC2 Instance on aws.amazon.com (Amazon Linux AMI)
	// =====================

	// edit permissions on pem file
	chmod 400 {keyfile}.pem

	// ssh into instance, while exposing remote port for remote Atom