4. HODLR Disks BTC v2.0 - HodlrSwiss/Hodlr-Disks GitHub Wiki

Production and availability

Produced from December 2020 to February 2021

Concerned products:

HODLR Disks Bitcoin Edition

Major improvements on this version:

  • Rivet changed for --> better visual aspect, better overall assembly resistance, easier emergency opening
  • Disks production process changed --> better visual aspect, improved resilience on disk numbering, overall higher design precision
  • Augmented disks thickness by 10% --> better overall resistance, deeper etching, cleaner punching process
  • Deeper etching --> better visual aspect, higher resistance to corrosion

Disks

material: Marine grade Stainless Steel 316L

thickness: 0.77mm (+10% from v1.x)

acid etching depth: 0.15-0.21mm (+30% from v1.x)

color: Stainless Steel

particular features:

  • Fully acid etched + cut disks
  • Joint together at all time by a rivet
  • Acid etched alphabet letters 4 rows --> 4 letters --> 1 seed word on each disk
  • Recoverable alphabet position
  • Improved resilience with double numbering on each disk --> from 01 to 24 numeral + 1 to 24 holes (acid holed, full cut-trough)
  • Plain stainless steel backsides, easier sliding of the disks

Shell

material: Marine grade Stainless Steel 316L

colors: Stainless steel

Seed engraving method: automatic center punch

features:

  • Bitcoin edition numbered from 100 - laser marked
  • Decorated with Bitcoin symbol - laser marked
  • Compaction ring
  • Socket screw locking system
  • Threshold and seed recovery scheme parameters area - marked on the inside
  • Seed name / ID area - marked on the outside
  • Magnet slot on bottom plate
  • CNC engraved logo on top plate

Magnet

material: Neodymium N52

color: Nickel plated - silver like

strength: 2.9 kg / 6.4 lb

Rivet

material: Marine grade Stainless Steel 316L

colors: Stainless steel

Holding system: One piece main shaft, locked in place by compression and deformation of the cap.

Features:

  • Top plate flat head

Photos